Removed client interface

spec/InfluxDB/ClientSpec.php

@@ -9,17 +9,12 @@ class ClientSpec extends ObjectBehavior
 {
     function let(\InfluxDB\Adapter\AdapterInterface $adapter)
     {
-       $this->setAdapter($adapter); 
+       $this->setAdapter($adapter);
     }
     function it_is_initializable()
     {
         $this->shouldHaveType('InfluxDB\Client');
     }
-    
-    function it_should_implement_client_interface()
-    {
-        $this->shouldImplement("InfluxDB\ClientInterface");
-    }
 
     function it_should_send_data(\InfluxDB\Adapter\AdapterInterface $adapter)
     {
@@ -28,12 +23,12 @@ class ClientSpec extends ObjectBehavior
             "columns" => ["author", "title"],
             "points" => [
                 ["Guccini", "Autogrill"]
-            ] 
+            ]
         ]])->shouldBeCalledTimes(1);
 
         $this->mark("video.search", [
             "author" => "Guccini",
             "title" => "Autogrill"
-        ]);  
+        ]);
     }
 }

src/InfluxDB/Client.php

@@ -2,7 +2,7 @@
 
 namespace InfluxDB;
 
-class Client implements ClientInterface
+class Client
 {
     private $adapter;