feat : create_image remove type docstring

Author: halucinor

src/openstack_mcp_server/tools/image_tools.py

@@ -52,9 +52,7 @@ def create_image(self, image_data: CreateImage) -> Image:
             - must provide a glance_region and glance_image_id.
 
         :param image_data: An instance of CreateImage containing the image details.
-        :type image: CreateImage
         :return: An Image object representing the created image.
-        :rtype: Image
         """
         conn = get_openstack_conn()