Add CommentEmbeddable to Activity : remoke remark field (Ref #21)

Entity/Activity.php

@@ -75,12 +75,6 @@ class Activity implements HasCenterInterface, HasScopeInterface
      */
     private $durationTime;
 
-    /**
-     * @var string
-     * @ORM\Column(type="text")
-     */
-    private $remark;
-
     /**
      * @var boolean
      * @ORM\Column(type="boolean")
@@ -204,29 +198,6 @@ class Activity implements HasCenterInterface, HasScopeInterface
         return $this->durationTime;
     }
 
-    /**
-     * Set remark
-     *
-     * @param string $remark
-     * @return Activity
-     */
-    public function setRemark($remark)
-    {
-        $this->remark = $remark;
-
-        return $this;
-    }
-
-    /**
-     * Get remark
-     *
-     * @return string
-     */
-    public function getRemark()
-    {
-        return $this->remark;
-    }
-
     /**
      * Set attendee
      *