Merge branch 'vzagorodny-fix-broken-link-insights-default-config-ce' into 'master'

[CE backport] Fix broken link to default insights config in docs

See merge request gitlab-org/gitlab-ce!29190

doc/user/group/insights/index.md

@@ -28,7 +28,7 @@ the project that holds your `.gitlab/insights.yml` configuration file:
 ![group insights configuration](img/insights_group_configuration.png)
 
 If no configuration was set, a [default configuration file](
-https://gitlab.com/gitlab-org/gitlab-ee/blob/master/ee/fixtures/insights/ee/fixtures/insights/default.yml)
+https://gitlab.com/gitlab-org/gitlab-ee/blob/master/ee/fixtures/insights/default.yml)
 will be used.
 
 See the [Project's Insights documentation](../../project/insights/index.md) for