[llvm] Fix build warning for 4def1ce10 (PR #93274)

[via llvm-commits]

llvmbot wrote:


<!--LLVM PR SUMMARY COMMENT-->

@llvm/pr-subscribers-backend-x86

Author: Freddy Ye (FreddyLeaf)

<details>
<summary>Changes</summary>



---
Full diff: https://github.com/llvm/llvm-project/pull/93274.diff


1 Files Affected:

- (modified) llvm/lib/TargetParser/X86TargetParser.cpp (-1) 


``````````diff
diff --git a/llvm/lib/TargetParser/X86TargetParser.cpp b/llvm/lib/TargetParser/X86TargetParser.cpp
index 0511ef4d42914..e3802380d2bee 100644
--- a/llvm/lib/TargetParser/X86TargetParser.cpp
+++ b/llvm/lib/TargetParser/X86TargetParser.cpp
@@ -500,7 +500,6 @@ constexpr FeatureBitset ImpliedFeaturesMOVDIRI = {};
 constexpr FeatureBitset ImpliedFeaturesPCONFIG = {};
 constexpr FeatureBitset ImpliedFeaturesPOPCNT = {};
 constexpr FeatureBitset ImpliedFeaturesPKU = {};
-constexpr FeatureBitset ImpliedFeaturesPREFETCHWT1 = {};
 constexpr FeatureBitset ImpliedFeaturesPRFCHW = {};
 constexpr FeatureBitset ImpliedFeaturesPTWRITE = {};
 constexpr FeatureBitset ImpliedFeaturesRDPID = {};

``````````

</details>


https://github.com/llvm/llvm-project/pull/93274