[mlir][bufferize] Cleanup TensorCopyInsertion.cpp (NFC) (llvm#164541)

Author: linuxlonelyeagle

mlir/lib/Dialect/Bufferization/Transforms/TensorCopyInsertion.cpp

@@ -14,13 +14,6 @@
 #include "mlir/Dialect/Bufferization/Transforms/OneShotModuleBufferize.h"
 #include "mlir/Dialect/Bufferization/Transforms/Transforms.h"
 
-namespace mlir {
-namespace bufferization {
-#define GEN_PASS_DEF_TENSORCOPYINSERTION
-#include "mlir/Dialect/Bufferization/Transforms/Passes.h.inc"
-} // namespace bufferization
-} // namespace mlir
-
 using namespace mlir;
 using namespace mlir::bufferization;