Remove unused files

lib/transforms/CombineOps.cpp

@@ -1,43 +0,0 @@
-#include "triton/transforms/Passes.h"
-#include <memory>
-
-using namespace mlir;
-
-namespace {
-// <patterns>
-struct CombineDotOp : public RewritePattern {
-  explicit CombineDotOp(MLIRContext *context)
-    : RewritePattern(/*rootName*/FuncOp::getOperationName(), /*Benefit*/1, context);
-
-  LogicalResult matchAndRewrite(Operation *op,
-                                PatternRewriter &rewriter) const override {
-    //
-    
-  }
-};
-// </patterns>
-
-/// Passes.td (?)
-struct CombineOpsPass { // : public mlir::OperationPass<FuncOp>
-  void runOnOperation() override {
-    MLIRContext *context = &getContext();
-    ConversionTarget target(*context);
-    RewritePatternSet patterns(context);
-
-    patterns.add<CombineDotOp>();
-    patterns.add<CombineSelectMaskedLoadOp>();
-    patterns.add<CombineGEPOp>();
-    patterns.add<CombineReduceOp>();
-
-    // TODO: populate xxx Patter(?)
-
-    // TODO: should be use applyPartialConversion(...) ?
-    if (failed(applyFullConversion(getOperation(), target, std::move(patterns))))
-      signalPassFailure();
-  };
-};
-} // anonymous namespace
-
-std::unique_ptr<Pass> mlir::triton::createCombineOpsPass() {
-  return std::make_unique<CombineOpsPass>();
-}