Simplify interaction with Parser

Author: clue

src/Client.php

@@ -15,7 +15,6 @@
 class Client extends EventEmitter
 {
     private $stream;
-    private $parser;
 
     private $pending = array();
     private $ending = false;
@@ -26,7 +25,6 @@ public function __construct(Stream $stream, Parser $parser = null)
             $parser = new Parser();
         }
         $this->stream = $stream;
-        $this->parser = $parser;
 
         $that = $this;
         $this->stream->on('data', function ($chunk) use ($parser, $that) {
@@ -96,9 +94,6 @@ public function close()
 
         $this->emit('close', array($this));
 
-        $this->parser->clear();
-        $this->parser = null;
-
         // reject all remaining/pending requests
         foreach ($this->pending as $deferred) {
             $deferred->reject(new Exception('Client closing'));

src/Protocol/Parser.php

@@ -70,9 +70,4 @@ private function parseMessage($message)
 
         return new Response($parts);
     }
-
-    public function clear()
-    {
-        $this->buffer = '';
-    }
 }