====== deleteShape ======

  * Parameters & Types:
     * shapeid:number
  * Return value and type:
      * ErrorCode. OK
  * The main purpose of this method is to delete a shape
  * Specific use cases are as follows:
<code>
--Delete the shape with id 1, parameter 1 is the shape id to be deleted
MapMark:deleteShape(1)
-- Show in chat box
Chat:sendSystemMsg("Removed the shape with ID 1!")
</code>