Remove duplicate entry shipped in 8.1.4

CHANGELOG

@@ -14,7 +14,6 @@ v 8.2.0
   - Expose build artifacts path as config option
   - Fix grouping of contributors by email in graph.
   - Improved performance of finding issues with/without labels
-  - Remove CSS property preventing hard tabs from rendering in Chromium 45 (Stan Hu)
   - Fix Drone CI service template not saving properly (Stan Hu)
   - Fix avatars not showing in Atom feeds and project issues when Gravatar disabled (Stan Hu)
   - Added a GitLab specific profiling tool called "Sherlock" (see GitLab CE merge request #1749)