Revert "[update] session timeout has been set to 3000 minutes; [todo] is there any way we can externalize this session timeout value?"
Revert "[update] session timeout has been set to 3000 minutes; [todo] is there any way we can externalize this session timeout value?"

This reverts commit f2033ce47abd69c025e36b68065a7bf17eb03bff.

suewonjp/civilizer,suewonjp/civilizer,suewonjp/civilizer,suewonjp/civilizer