[analyzer] Remove unneeded helper function (it's in ASTContext.h)

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@159244 91177308-0d34-0410-b5e6-96231b3b80d8

lib/StaticAnalyzer/Core/ExprEngine.cpp

@@ -51,15 +51,6 @@ STATISTIC(NumMaxBlockCountReachedInInlined,
 STATISTIC(NumTimesRetriedWithoutInlining,
             "The # of times we re-evaluated a call without inlining");
 
-//===----------------------------------------------------------------------===//
-// Utility functions.
-//===----------------------------------------------------------------------===//
-
-static inline Selector GetNullarySelector(const char* name, ASTContext &Ctx) {
-  IdentifierInfo* II = &Ctx.Idents.get(name);
-  return Ctx.Selectors.getSelector(0, &II);
-}
-
 //===----------------------------------------------------------------------===//
 // Engine construction and deletion.
 //===----------------------------------------------------------------------===//