webadmin, userportal: Revert configurable unsupported locales

Due to build issues,
Revert "engine,userportal,webadmin: configurable unsupported locales"

This reverts commit 348187f452b71d13d7daceaa5c11857aec9cd59f.

Bug-Url: https://bugzilla.redhat.com/show_bug.cgi?id=1096525
Signed-off-by: Alexander Wels <awels@redhat.com>
Change-Id: I2db610b7eec74116a88a2549071bb28d724df45d