Refactor: removed unused find methods in UserDirectory
Refactor: removed unused find methods in UserDirectory

remold/OpenConext-engineblock,remold/OpenConext-engineblock,thijskh/OpenConext-engineblock,Martin1982/OpenConext-engineblock,Martin1982/OpenConext-engineblock,Martin1982/OpenConext-engineblock,rjkip/OpenConext-engineblock,remold/OpenConext-engineblock,rjkip/OpenConext-engineblock,thijskh/OpenConext-engineblock,remold/OpenConext-engineblock,rjkip/OpenConext-engineblock,thijskh/OpenConext-engineblock,rjkip/OpenConext-engineblock,thijskh/OpenConext-engineblock,Martin1982/OpenConext-engineblock