do not delete pois

do not delete pois when JKU App account is removed
do not delete pois

do not delete tables, only data
Revert "do not delete pois"

This reverts commit b5de8912ddf8e078cc6afbb28069081f3e237c17.
do not delete pois

delete only data but not tables
sync after login

run sync immediately after login and show progress