Some update.

include/AST/Utility.h

@@ -1,23 +0,0 @@
-#include <Compiler/Clang.h>
-
-namespace clice {
-
-/// is this decl a definition?
-bool isDefinition(const clang::Decl* decl);
-
-/// Return the decl where it is instantiated from. If could be a template decl
-/// or a member of a class template. If the decl is a full specialization, return
-/// itself.
-const clang::NamedDecl* instantiatedFrom(const clang::NamedDecl* decl);
-
-/// To response go-to-type-definition request. Some decls actually have a type
-/// for example the result of `typeof(var)` is the type of `var`. This function
-/// returns the type for the decl if any.
-clang::QualType typeForDecl(const clang::NamedDecl* decl);
-
-/// Get the underlying decl for a type if any.
-const clang::NamedDecl* declForType(clang::QualType type);
-
-void dumpInclude(clang::SourceManager& srcMgr, clang::SourceLocation loc);
-
-}  // namespace clice