code: private void removeSettings() {
          Editor editor = PreferenceManager.getDefaultSharedPreferences(mContext).edit();
          editor.remove(mContext.getString(R.string.wings_facebook__destination_id_key));
          editor.remove(mContext.getString(R.string.wings_facebook__account_name_key));
          editor.remove(mContext.getString(R.string.wings_facebook__album_name_key));
          editor.remove(mContext.getString(R.string.wings_facebook__album_graph_path_key));
          editor.remove(mContext.getString(R.string.wings_facebook__page_access_token_key));
          editor.remove(mContext.getString(R.string.wings_facebook__photo_privacy_key));
  
          // Set preference to unlinked.
          editor.putBoolean(mContext.getString(R.string.wings_facebook__link_key), false);
          editor.apply();
      }
docs: Removes the link settings from persisted storage.