Remove empty translations

Author: TobiGr

app/src/main/res/values-br/strings.xml

@@ -117,5 +117,4 @@
     <string name="detail_thumbnail_view_description">Lenn ar video, pad:</string>
     <string name="what_device_headline">Titouroù:</string>
     <string name="video">Video</string>
-    <string name="streams_notification_channel_description"></string>
 </resources>

app/src/main/res/values-pa/strings.xml

@@ -828,8 +828,6 @@
     <string name="no_feed_group_created_yet">ਅਜੇ ਤੱਕ ਕੋਈ ਫੀਡ ਗਰੁੱਪ ਨਹੀਂ ਬਣਾਇਆ ਗਿਆ</string>
     <string name="feed_group_page_summary">ਚੈਨਲ ਗਰੁੱਪ ਪੰਨਾ</string>
     <string name="channel_tab_likes">ਪਸੰਦ</string>
-    <string name="permission_display_over_apps_message"></string>
-    <string name="permission_display_over_apps_permission_name"></string>
     <string name="delete_file">ਫ਼ਾਈਲ ਮਿਟਾਓ</string>
     <string name="delete_entry">ਐਂਟਰੀ ਮਿਟਾਓ</string>
     <string name="account_terminated_service_provides_reason">ਖ਼ਾਤਾ ਬੰਦ ਕੀਤਾ ਗਿਆ\n\n%1$s ਇਹ ਕਾਰਨ ਪ੍ਰਦਾਨ ਕਰਦਾ ਹੈ: %2$s</string>