remove header

Author: charithaintc

mlir/test/lib/Dialect/XeGPU/TestXeGPUTransforms.cpp

@@ -14,7 +14,6 @@
 #include "mlir/Dialect/XeGPU/Utils/XeGPUUtils.h"
 #include "mlir/Pass/Pass.h"
 #include "mlir/Pass/PassManager.h"
-#include "mlir/Pass/PassRegistry.h"
 #include "mlir/Transforms/DialectConversion.h"
 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"