[MLIR][XeGPU] Remove an unused include and break circular dependency in bazel build (llvm#165930)

It will otherwise introduce a circular dependency XeGPUDialect ->
XeGPUUtils -> XeGPUDialect.

Author: norx1991

mlir/lib/Dialect/XeGPU/IR/XeGPUDialect.cpp

@@ -11,7 +11,6 @@
 #include "mlir/Dialect/Index/IR/IndexOps.h"
 #include "mlir/Dialect/Utils/IndexingUtils.h"
 #include "mlir/Dialect/XeGPU/IR/XeGPU.h"
-#include "mlir/Dialect/XeGPU/Utils/XeGPUUtils.h"
 #include "mlir/Dialect/XeGPU/uArch/IntelGpuXe2.h"
 #include "mlir/IR/Builders.h"
 #include "mlir/IR/DialectImplementation.h"

utils/bazel/llvm-project-overlay/mlir/BUILD.bazel

@@ -3729,7 +3729,6 @@ cc_library(
         ":XeGPUAttrInterfaceIncGen",
         ":XeGPUEnumsIncGen",
         ":XeGPUIncGen",
-        ":XeGPUUtils",
         ":XeGPUuArch",
         ":XeVMDialect",
         "//llvm:Support",