C++: Update tests following extractor no longer extracting some unused types

Author: igfoo

cpp/ql/test/library-tests/lambdas/captures/elements.expected

@@ -213,19 +213,16 @@
 | file://:0:0:0:0 | const lambda [] type at line 3, col. 5 |
 | file://:0:0:0:0 | const lambda [] type at line 3, col. 5 & |
 | file://:0:0:0:0 | const lambda [] type at line 3, col. 5 * |
-| file://:0:0:0:0 | const lambda [] type at line 3, col. 5 *const |
 | file://:0:0:0:0 | const lambda [] type at line 9, col. 5 |
 | file://:0:0:0:0 | const lambda [] type at line 9, col. 5 & |
 | file://:0:0:0:0 | const lambda [] type at line 9, col. 5 * |
-| file://:0:0:0:0 | const lambda [] type at line 9, col. 5 *const |
 | file://:0:0:0:0 | const lambda [] type at line 9, col. 15 |
 | file://:0:0:0:0 | const lambda [] type at line 9, col. 15 & |
 | file://:0:0:0:0 | const lambda [] type at line 15, col. 5 |
 | file://:0:0:0:0 | const lambda [] type at line 15, col. 5 & |
 | file://:0:0:0:0 | const lambda [] type at line 22, col. 19 |
 | file://:0:0:0:0 | const lambda [] type at line 22, col. 19 & |
 | file://:0:0:0:0 | const lambda [] type at line 22, col. 19 * |
-| file://:0:0:0:0 | const lambda [] type at line 22, col. 19 *const |
 | file://:0:0:0:0 | declaration of 1st parameter |
 | file://:0:0:0:0 | declaration of 1st parameter |
 | file://:0:0:0:0 | declaration of 1st parameter |

cpp/ql/test/library-tests/templates/instantiations_functions/elements.expected

@@ -39,17 +39,13 @@
 | file://:0:0:0:0 | __va_list_tag && |
 | file://:0:0:0:0 | abstract |
 | file://:0:0:0:0 | action<ActionT> * |
-| file://:0:0:0:0 | action<ActionT> *const |
 | file://:0:0:0:0 | action<actor1<composite<int>>> & |
 | file://:0:0:0:0 | action<actor1<composite<int>>> && |
 | file://:0:0:0:0 | action<actor1<composite<int>>> * |
-| file://:0:0:0:0 | action<actor1<composite<int>>> *const |
 | file://:0:0:0:0 | actor1<BaseT> * |
-| file://:0:0:0:0 | actor1<BaseT> *const |
 | file://:0:0:0:0 | actor1<composite<int>> & |
 | file://:0:0:0:0 | actor1<composite<int>> && |
 | file://:0:0:0:0 | actor1<composite<int>> * |
-| file://:0:0:0:0 | actor1<composite<int>> *const |
 | file://:0:0:0:0 | atomic |
 | file://:0:0:0:0 | auto |
 | file://:0:0:0:0 | auto |