Update English (GB) translation

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22369 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Remove superfluous GRAMPSI18N from gramps-40 gramps.launcher

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22370 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Update gramps40 gramps.modules to match gramps-svn

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/branches/maintenance/gramps40@22371 4ae1f11a-8b86-4847-b8af-ab372f36d1fd