Remove Connector::resubmit() et al

* VuFindSearch/Backend/Solr/Connector.php (resubmit, getLastQueryParameters,
  $lastQuery): Removed.
  (query): Remove usage of $lastQuery.

module/VuFindSearch/src/VuFindSearch/Backend/Solr/Connector.php

@@ -125,15 +125,6 @@ class Connector
      */
     protected $appends;
 
-    /**
-     * Last query.
-     *
-     * @see self::resubmit()
-     *
-     * @var array
-     */
-    protected $lastQuery;
-
     /**
      * HTTP client adapter.
      *
@@ -384,16 +375,6 @@ class Connector
         $this->logger = $logger;
     }
 
-    /**
-     * Return parameters of the last request.
-     *
-     * @return ParamBag
-     */
-    public function getLastQueryParameters()
-    {
-        return $this->lastQuery['parameters'];
-    }
-
     /**
      * Set the HTTP proxy service.
      *
@@ -493,20 +474,6 @@ class Connector
         return new ParamBag($params);
     }
 
-    /**
-     * Repeat the last request with potentially modified parameters.
-     *
-     * @param ParamBag $params Request parameters
-     *
-     * @return string
-     */
-    public function resubmit(ParamBag $params)
-    {
-        $last   = $this->lastQuery;
-        $params = $this->prepare($params);
-        return $this->query($last['handler'], $params, $last['method']);
-    }
-
     /**
      * Send query to SOLR and return response body.
      *
@@ -539,9 +506,6 @@ class Connector
         if ($this->logger) {
             $this->logger->debug(sprintf('Query %s', $paramString));
         }
-        $this->lastQuery = array(
-            'parameters' => $params, 'handler' => $handler, 'method' => $method
-        );
         return $this->send($client);
     }