rm obsolete pre-gramps40 file

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23007 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
5598: implement User() class for tools

Let gui User take an optional uistate kwarg,
and use it in dbloader and viewmanager.

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23008 4ae1f11a-8b86-4847-b8af-ab372f36d1fd