Revert "lti: disable in production (not ready yet)"
Revert "lti: disable in production (not ready yet)"

This reverts commit 9d17bb716c638204f996e5aa8a1561d2b389334b.

MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus,MarkUsProject/Markus