Cleanup spurious DenseMap include
PiperOrigin-RevId: 228059305
diff --git a/include/mlir/IR/AffineExpr.h b/include/mlir/IR/AffineExpr.h
index 8723e19..74f977e 100644
--- a/include/mlir/IR/AffineExpr.h
+++ b/include/mlir/IR/AffineExpr.h
@@ -24,7 +24,7 @@
#define MLIR_IR_AFFINE_EXPR_H
#include "mlir/Support/LLVM.h"
-#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/DenseMapInfo.h"
#include "llvm/Support/Casting.h"
#include <type_traits>
diff --git a/lib/IR/AffineExpr.cpp b/lib/IR/AffineExpr.cpp
index 8343275..813b321 100644
--- a/lib/IR/AffineExpr.cpp
+++ b/lib/IR/AffineExpr.cpp
@@ -19,7 +19,6 @@
#include "AffineExprDetail.h"
#include "mlir/IR/AffineExprVisitor.h"
#include "mlir/Support/STLExtras.h"
-#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/STLExtras.h"
using namespace mlir;