Merge branch 'contribution-analytics-docs-usecase-patch' into 'master'

Refactored a use case in Contribution Analytics documentation

See merge request gitlab-org/gitlab-ee!6048

doc/user/group/contribution_analytics/index.md

@@ -17,8 +17,7 @@ under the URL `/groups/<groupname>/analytics`.
 
 - Analyze your team's contributions along a period of time and offer a bonus
   for the top contributors
-- If you are unhappy with a particular team member, you can use the analytics
-  as argument for demanding efficiency from this person
+- Identify opportunities for improvement with group members who may benefit from additional support 
 
 ## Using Contribution Analytics