[mlir] Remove dependency on LinalgTransformOps.h from #144657 (#145749)

#144657 added #include
"mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.h" to
mlir/test/lib/Dialect/Linalg/TestLinalgTransforms.cpp, though it is not
in use

Author: itf

mlir/test/lib/Dialect/Linalg/TestLinalgTransforms.cpp

@@ -17,7 +17,6 @@
 #include "mlir/Dialect/GPU/IR/GPUDialect.h"
 #include "mlir/Dialect/Linalg/IR/Linalg.h"
 #include "mlir/Dialect/Linalg/Passes.h"
-#include "mlir/Dialect/Linalg/TransformOps/LinalgTransformOps.h"
 #include "mlir/Dialect/Linalg/Transforms/Hoisting.h"
 #include "mlir/Dialect/Linalg/Transforms/Transforms.h"
 #include "mlir/Dialect/Linalg/Utils/Utils.h"