[infra] Adjust job priorities. (skcms)

After https://skia-review.googlesource.com/c/buildbot/+/141564,
scheduling will work better if most jobs use the default priority.

Since task priority is now ignored, remove it everywhere.

Bug: skia:8145
Change-Id: I256b4083c4e1ac1cde5a5910792a76e7ad11edc1
Reviewed-on: https://skia-review.googlesource.com/143165
Auto-Submit: Ben Wagner <benjaminwagner@google.com>
Reviewed-by: Eric Boren <borenet@google.com>
Commit-Queue: Eric Boren <borenet@google.com>
diff --git a/infra/bots/gen_tasks.go b/infra/bots/gen_tasks.go
index 716d484..812c897 100644
--- a/infra/bots/gen_tasks.go
+++ b/infra/bots/gen_tasks.go
@@ -83,12 +83,10 @@
 		Command:      command,
 		Dimensions:   append(dimensions[task], "gpu:none", "pool:Skia"),
 		Isolate:      "bot.isolate",
-		Priority:     0.8,
 		MaxAttempts:  1,
 	})
 
 	b.MustAddJob(task, &specs.JobSpec{
-		Priority:  0.8,
 		TaskSpecs: []string{task},
 	})
 }
@@ -100,7 +98,6 @@
 	}
 
 	b.MustAddJob("skcms", &specs.JobSpec{
-		Priority:  0.8,
 		TaskSpecs: TASKS,
 	})
 	b.MustFinish()
diff --git a/infra/bots/tasks.json b/infra/bots/tasks.json
index 78a4c23..8295b6f 100644
--- a/infra/bots/tasks.json
+++ b/infra/bots/tasks.json
@@ -1,7 +1,6 @@
 {
   "jobs": {
     "skcms": {
-      "priority": 0.8,
       "tasks": [
         "skcms-Linux",
         "skcms-Mac",
@@ -9,19 +8,16 @@
       ]
     },
     "skcms-Linux": {
-      "priority": 0.8,
       "tasks": [
         "skcms-Linux"
       ]
     },
     "skcms-Mac": {
-      "priority": 0.8,
       "tasks": [
         "skcms-Mac"
       ]
     },
     "skcms-Win": {
-      "priority": 0.8,
       "tasks": [
         "skcms-Win"
       ]
@@ -60,8 +56,7 @@
         "pool:Skia"
       ],
       "isolate": "bot.isolate",
-      "max_attempts": 1,
-      "priority": 0.8
+      "max_attempts": 1
     },
     "skcms-Mac": {
       "cipd_packages": [
@@ -88,8 +83,7 @@
         "pool:Skia"
       ],
       "isolate": "bot.isolate",
-      "max_attempts": 1,
-      "priority": 0.8
+      "max_attempts": 1
     },
     "skcms-Win": {
       "cipd_packages": [
@@ -122,8 +116,7 @@
         "pool:Skia"
       ],
       "isolate": "bot.isolate",
-      "max_attempts": 1,
-      "priority": 0.8
+      "max_attempts": 1
     }
   }
 }