Remove superfluous '-level'

doc/user/admin_area/settings/instance_template_repository.md

-# Instance-level template repository **[PREMIUM ONLY]**
+# Instance template repository **[PREMIUM ONLY]**
 
 > [Introduced](https://gitlab.com/gitlab-org/gitlab-ee/issues/5986) in
 > [GitLab Premium](https://about.gitlab.com/pricing) 11.3.

doc/user/group/index.md

@@ -300,11 +300,11 @@ This will disable the option for all users who previously had permissions to
 operate project memberships so no new users can be added. Furthermore, any
 request to add new user to project through API will not be possible.
 
-#### Group-level file templates **[PREMIUM]**
+#### Group file templates **[PREMIUM]**
 
-Group-level file templates allow you to share a set of templates for common file
+Group file templates allow you to share a set of templates for common file
 types with every project in a group. It is analogous to the
-[instance-level template repository](../admin_area/settings/instance_template_repository.md)
+[instance template repository](../admin_area/settings/instance_template_repository.md)
 feature, and the selected project should follow the same naming conventions as
 are documented on that page.
 
@@ -316,13 +316,13 @@ This feature may be configured for subgroups as well as parent groups. A project
 in a subgroup will have access to the templates for that subgroup, as well as
 any parent groups.
 
-![Group-level file template dropdown](img/group_file_template_dropdown.png)
+![Group file template dropdown](img/group_file_template_dropdown.png)
 
 To enable this feature, navigate to the group settings page, expand the
 **Templates** section, choose a project to act as the template repository, and
 **Save group**.
 
-![Group-level file template settings](img/group_file_template_settings.png)
+![Group file template settings](img/group_file_template_settings.png)
 
 ### Advanced settings