cloudron-setup: remove arguments to init script

this ends support for cloudron 5 installs with this version of the script

scripts/cloudron-setup

@@ -184,8 +184,7 @@ if ! $curl -sL "${sourceTarballUrl}" | tar -zxf - -C "${box_src_tmp_dir}"; then
 fi
 
 echo -n "=> Installing base dependencies and downloading docker images (this takes some time) ..."
-# initializeBaseUbuntuImage.sh args (provider, infraversion path) are only to support installation of pre 5.3 Cloudrons
-if ! /bin/bash "${box_src_tmp_dir}/baseimage/initializeBaseUbuntuImage.sh" "generic" "../src" &>> "${LOG_FILE}"; then
+if ! /bin/bash "${box_src_tmp_dir}/baseimage/initializeBaseUbuntuImage.sh" &>> "${LOG_FILE}"; then
     echo "Init script failed. See ${LOG_FILE} for details"
     exit 1
 fi