[NFC] Remove a redundant location print after dumping a decl reference

Author: AnthonyLatsis

lib/Sema/Constraint.cpp

@@ -383,9 +383,6 @@ void Constraint::print(llvm::raw_ostream &Out, SourceManager *sm) const {
       auto decl = overload.getDecl();
       decl->dumpRef(Out);
       Out << " : " << decl->getInterfaceType();
-      if (!sm || !decl->getLoc().isValid()) return;
-      Out << " at ";
-      decl->getLoc().print(Out, *sm);
     };
 
     switch (overload.getKind()) {