Revert "LPS-41472 Hashi doens't think this really helps"

This reverts commit 029ef6a6032a925cd0eed0d9453f862ccdb5d9b8.
LPS-41472 Hashi changed his mind, we're going to make it 10
LPS-41511 ServletContextPool should only contain servlet context name to servlet context mapping
LPS-41511 SF