awesome: remove stupid modkey mapping

.config/awesome/rc.lua

@@ -460,15 +460,6 @@ for i, tag_name in ipairs(tags) do
 					client.focus:move_to_tag(tag)
 				end
 			end
-		end),
-		-- Toggle tag on focused client.
-		awful.key({ mod, "Control", "Shift" }, tag_name, function()
-			if client.focus then
-				local tag = client.focus.screen.tags[i]
-				if tag then
-					client.focus:toggle_tag(tag)
-				end
-			end
 		end)
 	)
 end