Cleanup master xcode12 merge issues in Demos.
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
index 793b789..e6ff29a 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/project.pbxproj
@@ -537,11 +537,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-<<<<<<< HEAD
-				LastUpgradeCheck = 1200;
-=======
 				LastUpgradeCheck = 1170;
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "API-Samples" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
index 72c7418..0d68747 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-iOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
index 24bd8fb..6be3dac 100644
--- a/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/API-Samples/API-Samples.xcodeproj/xcshareddata/xcschemes/API-Samples-macOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
index 3f8e86d..53a5399 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/project.pbxproj
@@ -244,11 +244,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-<<<<<<< HEAD
-				LastUpgradeCheck = 1200;
-=======
 				LastUpgradeCheck = 1170;
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "Cube" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
index 8b26c54..7e7431a 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-iOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
index 7f01964..ee686bb 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-macOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-tvOS.xcscheme b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-tvOS.xcscheme
index bf3b23c..851887a 100644
--- a/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-tvOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Cube/Cube.xcodeproj/xcshareddata/xcschemes/Cube-tvOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
index ffbf078..a7f1694 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/project.pbxproj
@@ -292,11 +292,7 @@
 		29B97313FDCFA39411CA2CEA /* Project object */ = {
 			isa = PBXProject;
 			attributes = {
-<<<<<<< HEAD
-				LastUpgradeCheck = 1200;
-=======
 				LastUpgradeCheck = 1170;
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
 			};
 			buildConfigurationList = C01FCF4E08A954540054247B /* Build configuration list for PBXProject "Hologram" */;
 			compatibilityVersion = "Xcode 8.0";
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
index 50ff9d4..3d15109 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-iOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"
diff --git a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
index 7e228c3..b597c72 100644
--- a/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
+++ b/Demos/LunarG-VulkanSamples/Hologram/Hologram.xcodeproj/xcshareddata/xcschemes/Hologram-macOS.xcscheme
@@ -1,10 +1,6 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <Scheme
-<<<<<<< HEAD
-   LastUpgradeVersion = "1200"
-=======
    LastUpgradeVersion = "1170"
->>>>>>> d1353632775b86abd4a527c9f6114dda2d4405fa
    version = "2.0">
    <BuildAction
       parallelizeBuildables = "YES"