[FOLD] remove dead code

Author: sdkrystian

clang/lib/Sema/SemaExceptionSpec.cpp

@@ -675,19 +675,6 @@ static bool CheckEquivalentExceptionSpecImpl(
     }
   }
 
-#if 0
-  // C++14 [except.spec]p3:
-  //   Two exception-specifications are compatible if [...] both have the form
-  //   noexcept(constant-expression) and the constant-expressions are equivalent
-  if (OldEST == EST_DependentNoexcept && NewEST == EST_DependentNoexcept) {
-    llvm::FoldingSetNodeID OldFSN, NewFSN;
-    Old->getNoexceptExpr()->Profile(OldFSN, S.Context, true);
-    New->getNoexceptExpr()->Profile(NewFSN, S.Context, true);
-    if (OldFSN == NewFSN)
-      return false;
-  }
-#endif
-
   // Dynamic exception specifications with the same set of adjusted types
   // are compatible.
   if (OldEST == EST_Dynamic && NewEST == EST_Dynamic) {