[MLIR][Linalg] Remove debug print from FoldIntoElementwise pass (#135928)

Author: Jimmy2027

mlir/lib/Dialect/Linalg/Transforms/FoldIntoElementwise.cpp

@@ -72,7 +72,6 @@ struct LinalgFoldIntoElementwisePass
       LinalgFoldIntoElementwisePass>::LinalgFoldIntoElementwisePassBase;
 
   void runOnOperation() override {
-    llvm::outs() << "Hellow from fold into elemenwise \n";
     Operation *op = getOperation();
     RewritePatternSet patterns(op->getContext());
     populateLinalgFoldIntoElementwisePatterns(patterns);
@@ -86,4 +85,4 @@ struct LinalgFoldIntoElementwisePass
 void mlir::linalg::populateLinalgFoldIntoElementwisePatterns(
     RewritePatternSet &patterns) {
   patterns.add<FoldTransposePattern>(patterns.getContext());
-}
+}