[NFC] Remove redundant includes for llvm/ADT/SmallPtrSet.h.

Author: varungandhi-apple

include/swift/AST/NameLookup.h

@@ -17,7 +17,6 @@
 #ifndef SWIFT_AST_NAME_LOOKUP_H
 #define SWIFT_AST_NAME_LOOKUP_H
 
-#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/SmallVector.h"
 #include "swift/AST/ASTVisitor.h"
 #include "swift/AST/Identifier.h"

include/swift/AST/ProtocolConformance.h

@@ -27,7 +27,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/FoldingSet.h"
-#include "llvm/ADT/SmallPtrSet.h"
 #include <utility>
 
 namespace swift {

include/swift/Driver/FineGrainedDependencyDriverGraph.h

@@ -21,7 +21,6 @@
 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/DenseMap.h"
 #include "llvm/ADT/STLExtras.h"
-#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/StringMap.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/StringSet.h"

include/swift/SILOptimizer/Analysis/ARCAnalysis.h

@@ -23,7 +23,6 @@
 #include "llvm/ADT/BitVector.h"
 #include "llvm/ADT/MapVector.h"
 #include "llvm/ADT/SetVector.h"
-#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/ADT/TinyPtrVector.h"
 
 namespace swift {

include/swift/SILOptimizer/Utils/CastOptimizer.h

@@ -22,7 +22,6 @@
 #include "swift/SILOptimizer/Analysis/EpilogueARCAnalysis.h"
 #include "swift/SILOptimizer/Analysis/SimplifyInstruction.h"
 #include "swift/SILOptimizer/Utils/SILOptFunctionBuilder.h"
-#include "llvm/ADT/SmallPtrSet.h"
 #include "llvm/Support/Allocator.h"
 #include <functional>
 #include <utility>