Move the textual simplification of container type to debugger again

This is the only user, and likely will stay so for a while, and
eases the linking of the debugger autotests.

Change-Id: I822fa892f105a5b7985370b26e50aa94cac74bb3
Reviewed-by: Nikolai Kosjar <nikolai.kosjar@digia.com>

tests/auto/cplusplus/cplusplus.qbs

@@ -13,7 +13,6 @@ Project {
         "misc/misc.qbs",
         "preprocessor/preprocessor.qbs",
         "semantic/semantic.qbs",
-        "simplifytypes/simplifytypes.qbs",
         "typeprettyprinter/typeprettyprinter.qbs"
     ]
 }