[NFC] Remove #include "triton/Analysis/Utility.h" from LoopUnroll.cpp as unused (#6684)

Author: anmyachev

lib/Dialect/Triton/Transforms/LoopUnroll.cpp

@@ -8,7 +8,6 @@
 #include "mlir/Support/LLVM.h"
 #include "mlir/Support/LogicalResult.h"
 #include "mlir/Transforms/GreedyPatternRewriteDriver.h"
-#include "triton/Analysis/Utility.h"
 #include "triton/Dialect/Triton/IR/Dialect.h"
 #include "triton/Dialect/Triton/Transforms/Passes.h"
 #include "llvm/Support/Debug.h"