fix cname, remove deprecated function

Author: dangscaleflex

Diff for: Helper/Config.php

@@ -84,10 +84,9 @@ public function getCName()
      */
     public function buildUrl($inputUrl)
     {
+        $baseUrl = "//" . $this->getToken() . ".cloudimg.io/";
         if (!empty($this->getCName())) {
-            $baseUrl = "//" . $this->getCName() . "/";
-        } else {
-            $baseUrl = "//" . $this->getToken() . ".cloudimg.io/";
+            $inputUrl = str_replace($this->getCName(), "", $inputUrl);
         }
 
         if (!$this->isRemoveV7()) {

Diff for: Helper/Images.php

@@ -107,16 +107,9 @@ public function processHtml($html)
 
                         $imageSrc = $element->getAttribute('src') . $quality;
 
-                        if (!empty($this->config->getCName())) {
-                            if (stripos($imageSrc, $this->config->getCName()) === false) {
-                                $ciSrc = $this->config->buildUrl($imageSrc);
-                                $element->setAttribute('src', $ciSrc);
-                            }
-                        } else {
-                            if (stripos($imageSrc, $this->config->getToken()) === false) {
-                                $ciSrc = $this->config->buildUrl($imageSrc);
-                                $element->setAttribute('src', $ciSrc);
-                            }
+                        if (stripos($imageSrc, $this->config->getToken()) === false) {
+                            $ciSrc = $this->config->buildUrl($imageSrc);
+                            $element->setAttribute('src', $ciSrc);
                         }
                     } else {
                         if ($element->hasAttribute('data-lazy-off')

Diff for: Plugin/ResponsiveBlock.php

@@ -24,7 +24,7 @@ class ResponsiveBlock
     /**
      * @var Images
      */
-    private $helper;
+    private $images;
 
     public function __construct(
         Config $config,