Any member of the Council, and any City official, either elected or appointed, may be removed from his office by the Council for any of the following causes: Official misconduct, incompetence, habitual drunkenness, neglect of duty, or gross immorality. The charges against any such officer shall be reduced to writing and entered of record by the Council, and a summons shall thereupon be issued by the City Clerk containing a copy of the charges and requiring the officer named therein to appear and answer the same on a day to be named therein, which summons may be served in the same manner as a summons commencing an action may be served, and the service must be made at least five days before the return day thereof. It shall require the affirmative vote of two-thirds of all the members elected to Council to remove any such official. The decision of Council in any such case shall be subject to review by the courts.
   The Mayor, or any other City official having the power of appointment, shall have the absolute right in his discretion to remove any of his appointees and appoint another qualified person in his place, but such removal shall be in writing and served upon said official so removed, and all the rights and powers of such official shall cease and end from the time of such notice.