owncloud in debian stable doesn't support removing users

src/freedombone-rmuser

     freedombone-rmsipuser $MY_USERNAME
 fi
 
-if grep -q "install_owncloud" $COMPLETION_FILE; then
-    occ user:delete $MY_USERNAME
-fi
+#if grep -q "install_owncloud" $COMPLETION_FILE; then
+#    occ user:delete $MY_USERNAME
+#fi
 
 userdel -r $MY_USERNAME