Remove temporary upgrade directory

src/freedombone

@@ -6587,6 +6587,9 @@ function upgrade_owncloud_finish {
             $OWNCLOUD_PATH/occ files:scan $USRNAME
         fi
     done
+
+    # remove the temporary upgrade
+    rm -rf $OWNCLOUD_UPGRADE_PATH
 }
 
 function install_owncloud_official_deb {