Don't mention VS2013 in PR review instructions (#4384)
Visual Studio 2013 is not supported anymore.
diff --git a/CONTRIBUTING.md b/CONTRIBUTING.md
index b46ae31..1eb8b68 100644
--- a/CONTRIBUTING.md
+++ b/CONTRIBUTING.md
@@ -98,13 +98,6 @@
scenarios? The respective SPIR-V dialects are slightly different.
* Changes are made to a container while iterating through it. You have to be
careful that iterators are not invalidated or that elements are not skipped.
-* C++11 and VS2013. We generally assume that we have a C++11 compliant
- compiler. However, on Windows, we still support Visual Studio 2013, which is
- not fully C++11 compliant. See
- [here](https://msdn.microsoft.com/en-us/library/hh567368.aspx). In
- particular, note that it does not provide default move-constructors or
- move-assignments for classes. In general, r-value references do not work the
- way you might assume they do.
* For SPIR-V transforms: The module is changed, but the analyses are not
updated. For example, a new instruction is added, but the def-use manager is
not updated. Later on, it is possible that the def-use manager will be used,
