Revert "Disable manjaro from menus, currently in broken state"

This reverts commit 8c2382c9336cb849341798295e690377a1e165c2.

Manjaro images fixed

roles/netbootxyz/templates/menu/live.ipxe.j2

@@ -23,6 +23,7 @@ item live-kodachi ${space} Kodachi
 item live-neon ${space} KDE Neon
 item live-lite ${space} Linux Lite
 item live-lxle ${space} LXLE
+item live-manjaro ${space} Manjaro
 item live-mint ${space} Mint
 item live-nitrux ${space} Nitrux
 item live-parrot ${space} Parrot OS