[VectorCombine] remove unused test prefixes; NFC

These would change with D135278, but for now everything is the same.

diff --git a/llvm/test/Transforms/VectorCombine/X86/extract-fneg-insert.ll b/llvm/test/Transforms/VectorCombine/X86/extract-fneg-insert.ll
index 05670ca..b4e785e 100644 (file)
--- a/llvm/test/Transforms/VectorCombine/X86/extract-fneg-insert.ll
+++ b/llvm/test/Transforms/VectorCombine/X86/extract-fneg-insert.ll
@@ -1,6 +1,6 @@
 ; NOTE: Assertions have been autogenerated by utils/update_test_checks.py
-; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=SSE2 | FileCheck %s --check-prefixes=CHECK,SSE
-; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=AVX2 | FileCheck %s --check-prefixes=CHECK,AVX
+; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=SSE2 | FileCheck %s --check-prefixes=CHECK
+; RUN: opt < %s -passes=vector-combine -S -mtriple=x86_64-- -mattr=AVX2 | FileCheck %s --check-prefixes=CHECK
 
 declare void @use(float)