[llvm] [AMDGPU] Remove `nosync` from image atomic intrinsics. (PR #76814)

[Matt Arsenault via llvm-commits]

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@@ -0,0 +1,356 @@
+; NOTE: Assertions have been autogenerated by utils/update_test_checks.py UTC_ARGS: --check-attributes --check-globals all --version 4
+; RUN: opt -S -mtriple=amdgcn-unknown-unknown < %s | FileCheck -check-prefixes=CHECK %s
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arsenm wrote:

Yes, just check the attributes. And don't keep in CodeGen 

https://github.com/llvm/llvm-project/pull/76814