Change default map used by server.sh

This changes the default map that is used by server.sh to torch, since that's what seems to be the main map in use by Baystation12 now. Also, exodus has been removed for a while now, I believe.

scripts/server.sh

@@ -28,7 +28,7 @@ exec 5>&1 # duplicate fd 5 to fd 1 (stdout); this allows us to echo the log duri
 
 [[ -e stopserver ]] && rm stopserver
 while [[ ! -e stopserver ]]; do
-	MAP="$(cat use_map || echo "exodus")"
+	MAP="$(cat use_map || echo "torch")"
 
 	# Any part of the update process can set this to immediately halt all further updating and kill the script
 	# This is NOT for trivial errors; only set this if the error is such that the server should NOT be started