Merge branch '1858-usage-ping-times-out-on-gitlab-com' into 'master'

Remove pushes count from usage ping payload

Closes #1858

See merge request !1432

lib/gitlab/usage_data.rb

@@ -36,8 +36,6 @@ module Gitlab
             merge_requests: MergeRequest.count,
             milestones: Milestone.count,
             notes: Note.count,
-            # Default scope causes this query to run for a long time
-            pushes: Event.unscoped.code_push.count,
             pages_domains: PagesDomain.count,
             projects: Project.count,
             protected_branches: ProtectedBranch.count,

spec/lib/gitlab/usage_data_spec.rb

@@ -53,7 +53,6 @@ describe Gitlab::UsageData do
         milestones
         notes
         projects
-        pushes
         pages_domains
         protected_branches
         releases