core: Removal of OS/Version Selection from Advanced Settings (#3771)

* core: remove os selection in advanced_settings

* debian/ubuntu vars

ct/debian.sh

@@ -6,13 +6,13 @@ source <(curl -fsSL https://raw.githubusercontent.com/community-scripts/ProxmoxV
 # Source: https://www.debian.org/
 
 APP="Debian"
-var_tags="os"
-var_cpu="1"
-var_ram="512"
-var_disk="2"
-var_os="debian"
-var_version="12"
-var_unprivileged="1"
+var_tags="${var_tags:-os}"
+var_cpu="${var_cpu:-1}"
+var_ram="${var_ram:-512}"
+var_disk="${var_disk:-2}"
+var_os="${var_os:-debian}"
+var_version="${var_version:-12}"
+var_unprivileged="${var_unprivileged:-1}"
 
 header_info "$APP"
 variables
@@ -20,18 +20,18 @@ color
 catch_errors
 
 function update_script() {
-    header_info
-    check_container_storage
-    check_container_resources
-    if [[ ! -d /var ]]; then
-        msg_error "No ${APP} Installation Found!"
-        exit
-    fi
-    msg_info "Updating $APP LXC"
-    $STD apt-get update
-    $STD apt-get -y upgrade
-    msg_ok "Updated $APP LXC"
+  header_info
+  check_container_storage
+  check_container_resources
+  if [[ ! -d /var ]]; then
+    msg_error "No ${APP} Installation Found!"
     exit
+  fi
+  msg_info "Updating $APP LXC"
+  $STD apt-get update
+  $STD apt-get -y upgrade
+  msg_ok "Updated $APP LXC"
+  exit
 }
 
 start
@@ -39,4 +39,4 @@ build_container
 description
 
 msg_ok "Completed Successfully!\n"
-echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"
+echo -e "${CREATING}${GN}${APP} setup has been successfully initialized!${CL}"