Set crossplay to off until it works

lgsm/config-default/config-lgsm/vhserver/_default.cfg

@@ -21,8 +21,9 @@ saveinterval="1800"
 backups="4"
 backupshort="7200"
 backuplong="43200"
-# Clear crossplay to set to false
+# If crossplay is empty, it's off. Fill with any text to make true
-crossplay="set"
+# Crossplay is currently not working on Linux dedicated servers, so for now the default is false (emtpy)
+crossplay=""
 
 ## Server Parameters | https://docs.linuxgsm.com/configuration/start-parameters#additional-parameters
 startparameters="-name '${servername}' -password ${serverpassword} -port ${port} -world ${gameworld} -public ${public} -savedir '${savedir}' -logFile '${logFile}' -saveinterval ${saveinterval} -backups ${backups} -backupshort ${backupshort} -backuplong ${backuplong} ${crossplay:+-crossplay}"