fix phpstan issues

Author: solverat

src/OutputChannel/Filter/GeoDistanceFilter.php

@@ -77,12 +77,9 @@ protected function addQueryFilter(Search $query, array $queryFields): void
         if (empty($coordinatesRaw)) {
             return;
         }
+
         $coordinates = array_map('floatval', explode(',', $coordinatesRaw));
-        
-        if (!is_array($coordinates)) {
-            return;
-        }
-        
+
         $distance = $queryFields[$distanceFieldName];
         if (is_numeric($distance)) {
             $distance = sprintf('%s%s', $distance, $this->options['distance_unit']);