[llvm] [llvm] Optimize usub.sat fix for #79690 (PR #151044)

[Yingwei Zheng via llvm-commits]

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@@ -50,7 +50,6 @@
 using namespace llvm;
 using namespace PatternMatch;
 
-
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dtcxzyw wrote:

Please remove unrelated changes.

https://github.com/llvm/llvm-project/pull/151044