7088: rm warning on `import sdn' failure

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23221 4ae1f11a-8b86-4847-b8af-ab372f36d1fd
Move missing Gtk Spell warning

git-svn-id: svn+ssh://svn.code.sf.net/p/gramps/code/trunk@23224 4ae1f11a-8b86-4847-b8af-ab372f36d1fd