[CIR] Remove unnecessary removal of annotations

Author: Sharp0802

clang/lib/CIR/Lowering/DirectToLLVM/LowerToLLVM.cpp

@@ -2189,11 +2189,6 @@ void CIRToLLVMFuncOpLowering::lowerFuncOpenCLKernelMetadata(
 mlir::LogicalResult CIRToLLVMFuncOpLowering::matchAndRewrite(
     cir::FuncOp op, OpAdaptor adaptor,
     mlir::ConversionPatternRewriter &rewriter) const {
-
-  mlir::ModuleOp module = op->getParentOfType<mlir::ModuleOp>();
-  if (module->hasAttr("cir.global_annotations"))
-    op->removeAttr("annotations");
-
   auto fnType = op.getFunctionType();
   auto isDsoLocal = op.getDsoLocal();
   mlir::TypeConverter::SignatureConversion signatureConversion(