Update languages and language config.

resources/lang/pl_PL/config.php

@@ -18,7 +18,6 @@
  * You should have received a copy of the GNU General Public License
  * along with Firefly III. If not, see <http://www.gnu.org/licenses/>.
  */
-
 declare(strict_types=1);
 
 return [
@@ -31,5 +30,4 @@ return [
     'quarter_of_year' => '%B %Y',
     'year'            => '%Y',
     'half_year'       => '%B %Y',
-
 ];