gears: Remove `screen`

It has been deprecated for a while and was never part of a release.

lib/gears/init.lua

@@ -18,7 +18,6 @@ return
     matrix = require("gears.matrix");
     shape = require("gears.shape");
     protected_call = require("gears.protected_call");
-    screen = require("gears.screen");
     geometry = require("gears.geometry");
 }
 

lib/gears/screen.lua

@@ -1,29 +0,0 @@
----------------------------------------------------------------------------
--- @author Uli Schlachter
--- @copyright 2016 Uli Schlachter
--- @release @AWESOME_VERSION@
--- @classmod gears.screen
----------------------------------------------------------------------------
-
-local ascreen =  require("awful.screen")
-local util = require("awful.util")
-
-local module = {}
-
---- Call a function for each existing and created-in-the-future screen.
--- @tparam function func The function to call.
-function module.connect_for_each_screen(func)
-    util.deprecate("Use awful.screen.connect_for_each_screen")
-    ascreen.connect_for_each_screen(func)
-end
-
---- Undo the effect of connect_for_each_screen.
--- @tparam function func The function that should no longer be called.
-function module.disconnect_for_each_screen(func)
-    util.deprecate("Use awful.screen.disconnect_for_each_screen")
-    ascreen.disconnect_for_each_screen(func)
-end
-
-return module
-
--- vim: filetype=lua:expandtab:shiftwidth=4:tabstop=8:softtabstop=4:textwidth=80