[Commits] [wesnoth/wesnoth] 4c1976: remove unused 'assert_existence' function

[GitHub]

  Branch: refs/heads/master
  Home:   https://github.com/wesnoth/wesnoth
  Commit: 4c1976db28dfc5c3bcc6f09925c7dca0af037a6f
      https://github.com/wesnoth/wesnoth/commit/4c1976db28dfc5c3bcc6f09925c7dca0af037a6f
  Author: gfgtdf <daniel.gfgtdf at gmail.com>
  Date:   2017-07-19 (Wed, 19 Jul 2017)

  Changed paths:
    M src/map_command_handler.hpp
    M src/menu_events.cpp

  Log Message:
  -----------
  remove unused 'assert_existence' function