Remove unused imports

Signed-off-by: Michal Čihař <michal@cihar.com>

weblate/trans/views/dictionary.py

@@ -36,12 +36,10 @@ from six.moves.urllib.parse import urlencode
 from weblate.trans.exporters import get_exporter
 from weblate.trans.models import Translation, Dictionary, Change
 from weblate.lang.models import Language
-from weblate.trans.formats import FileFormat
 from weblate.trans.site import get_site_url
 from weblate.trans.util import report_error, render
 from weblate.trans.forms import WordForm, DictUploadForm, LetterForm
 from weblate.trans.views.helper import get_project, import_message
-import weblate
 
 
 def dict_title(prj, lang):