Clean up CHANGELOG changes for gitlab-org/omnibus-gitlab!2429
Clean up CHANGELOG changes for gitlab-org/omnibus-gitlab!2429

Merge Request gitlab-org/omnibus-gitlab!2429 was actually merged to be
in 10.8, instead of 10.7. Also 2 entries were added.

This change updates the CHANGELOG to represent the correct
information.

See gitlab-org/omnibus-gitlab#3382

gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab,gitlabhq/omnibus-gitlab