Fix provider usage

* do not send to appstore anymore
* do not set in getStatus/getConfig
* provider is not needed when registering cloudron

scripts/cloudron-support

@@ -112,7 +112,7 @@ if [[ "${enableSSH}" == "true" ]]; then
     permit_root_login=$(grep -q ^PermitRootLogin.*yes /etc/ssh/sshd_config && echo "yes" || echo "no")
 
     # support.js uses similar logic
-    if $(grep -q "ec2\|lightsail\|ami" /etc/cloudron/PROVIDER); then
+    if [[ -d /home/ubuntu ]]; then
         ssh_user="ubuntu"
         keys_file="/home/ubuntu/.ssh/authorized_keys"
     else