Update 2FAS import option label (#123)

Author: SaintPatrck

app/src/main/res/values/strings_non_localized.xml

@@ -3,7 +3,7 @@
     <string name="export_format_label_json">.json</string>
     <string name="export_format_label_csv">.csv</string>
     <string name="import_format_label_bitwarden_json">Bitwarden (.json)</string>
-    <string name="import_format_label_2fas_json">2FAS (.2fas)</string>
+    <string name="import_format_label_2fas_json">2FAS (no password)</string>
     <string name="import_format_label_lastpass_json">LastPass (.json)</string>
     <string name="import_format_label_aegis_json">Aegis (.json)</string>
 </resources>