Remove deprecated function

src/freedombone-app-ghost

 }
 
 function ghost_create_database {
-    function_check get_mariadb_git_admin_password
-    get_mariadb_git_admin_password
-
     if [ -f ${IMAGE_PASSWORD_FILE} ]; then
         GIT_ADMIN_PASSWORD="$(printf `cat $IMAGE_PASSWORD_FILE`)"
     else