Removes extension exception

Author: sagikazarmark

src/HttpAdapterException.php

@@ -191,19 +191,6 @@ public static function doesNotSupportSubAdapter($adapter, $subAdapter)
         return new self(sprintf('The adapter "%s" does not support the sub-adapter "%s".', $adapter, $subAdapter));
     }
 
-    /**
-     * Returns a "EXTENSION IS NOT LOADED" exception
-     *
-     * @param string $extension
-     * @param string $adapter
-     *
-     * @return self
-     */
-    public static function extensionIsNotLoaded($extension, $adapter)
-    {
-        return new self(sprintf('The adapter "%s" expects the PHP extension "%s" to be loaded.', $adapter, $extension));
-    }
-
     /**
      * Returns a "MAX REDIRECTS EXCEEDED" exception
      *

tests/HttpAdapterExceptionTest.php

@@ -155,17 +155,6 @@ public function testDoesNotSupportSubAdapter()
         );
     }
 
-    public function testExtensionIsNotLoaded()
-    {
-        $exception = HttpAdapterException::extensionIsNotLoaded('extension', 'adapter');
-
-        $this->assertInstanceOf('Http\Adapter\HttpAdapterException', $exception);
-        $this->assertSame(
-            'The adapter "adapter" expects the PHP extension "extension" to be loaded.',
-            $exception->getMessage()
-        );
-    }
-
     public function testMaxRedirectsExceeded()
     {
         $exception = HttpAdapterException::maxRedirectsExceeded('uri', 5, 'adapter');