hotfix: temporarily use up to date mebrains endpoint

chore: remove unused public token

chore/feat: fix region description

v2.5.4 - RC

This reverts commit caf0b630.

Hotfix revert252

This reverts commit d0d12c0a, reversing
changes made to 059002ea.

v2.5.2

hotfix: big brain high resolution 

v2.5.1