i3: clean up config template

roles/i3/templates/config.j2

@@ -1,10 +1,3 @@
-# This file has been auto-generated by i3-config-wizard(1).
-# It will not be overwritten, so edit it as you like.
-#
-# Should you change your keyboard layout some time, delete
-# this file and re-run i3-config-wizard(1).
-#
-
 # i3 config file (v4)
 #
 # Please see http://i3wm.org/docs/userguide.html for a complete reference!
@@ -149,13 +142,6 @@ mode "resize" {
 
 bindsym $mod+r mode "resize"
 
-# Start i3bar to display a workspace bar (plus the system information i3status
-# finds out, if available)
-
-
-#-old-#bar {
-#-old-#       status_command i3status
-#-old-#}
 exec --no-startup-id nitrogen --restore
 exec --no-startup-id synergy