Retire szutil_revokeme

The functionality is now 3+ years old in base so there
is no longer any excuse for needing a polyfill.

szutil_revokeme/README

@@ -1,5 +0,0 @@
-------------------------------------------------------------------------
-
-This mod simply fixes the missing /revokeme admin command.
-
-------------------------------------------------------------------------

szutil_revokeme/init.lua

@@ -1,16 +0,0 @@
--- LUALOCALS < ---------------------------------------------------------
-local minetest
-    = minetest
--- LUALOCALS > ---------------------------------------------------------
-
-local revoke = minetest.registered_chatcommands.revoke
-if revoke and not minetest.registered_chatcommands.revokeme then
-	minetest.register_chatcommand("revokeme", {
-			params = "<privilege> | all",
-			description = "Revoke privileges from yourself",
-			privs = revoke.privs,
-			func = function(pname, param)
-				return revoke.func(pname, pname .. " " .. param)
-			end
-		})
-end

szutil_revokeme/mod.conf

@@ -1,3 +0,0 @@
-name = szutil_revokeme
-description = Fixes missing /revokeme admin command
-supported_games = *