fix yaml lint errors

models/fixtures/repository.yml

@@ -1862,7 +1862,6 @@
   group_id: 0
   group_sort_order: 0
 
-
 - close_issues_via_commit_in_any_branch: false
   default_branch: ""
   fork_id: 0

models/fixtures/team.yml

@@ -262,7 +262,6 @@
   includes_all_repositories: true
   can_create_org_repo: false
 
-
 - can_create_org_repo: true
   id: 25
   includes_all_repositories: true

models/fixtures/team_unit.yml

@@ -341,7 +341,6 @@
   type: 1 # code
   access_mode: 2
 
-
 - access_mode: 3
   id: 58
   team_id: 25