Merge pull request #9678 from jketema/ql-fixes

C++: Two small QL fixes

cpp/ql/lib/semmle/code/cpp/internal/QualifiedName.qll

@@ -4,11 +4,7 @@
  * qualified.
  *
  * This file contains classes that mirror the standard AST classes for C++, but
- * these classes are only concerned with naming. The other difference is that
- * these classes don't use the `ResolveClass.qll` mechanisms like
- * `unresolveElement` because these classes should eventually be part of the
- * implementation of `ResolveClass.qll`, allowing it to match up classes when
- * their qualified names and parameters match.
+ * these classes are only concerned with naming.
  */
 
 private import semmle.code.cpp.Declaration as D

cpp/ql/lib/semmle/code/cpp/internal/ResolveClass.qll

@@ -115,7 +115,6 @@ private module Cached {
    */
   cached
   predicate isClass(@usertype t) {
-    (
     usertypes(t, _, 1) or
     usertypes(t, _, 2) or
     usertypes(t, _, 3) or
@@ -123,7 +122,6 @@ private module Cached {
     usertypes(t, _, 10) or
     usertypes(t, _, 11) or
     usertypes(t, _, 12)
-    )
   }
 
   cached