[BOLT] Use llvm::is_contained (NFC)

Author: kazutakahirata

bolt/lib/Passes/ValidateMemRefs.cpp

@@ -34,8 +34,7 @@ bool ValidateMemRefs::checkAndFixJTReference(BinaryFunction &BF, MCInst &Inst,
   if (!JT)
     return false;
 
-  const bool IsLegitAccess = llvm::any_of(
-      JT->Parents, [&](const BinaryFunction *Parent) { return Parent == &BF; });
+  const bool IsLegitAccess = llvm::is_contained(JT->Parents, &BF);
   if (IsLegitAccess)
     return true;