Merge branch 'sh-disable-query-limiter' into 'master'

Disable query limiting warnings for now on GitLab.com

See merge request gitlab-org/gitlab-ce!17067

lib/gitlab/query_limiting.rb

@@ -6,7 +6,7 @@ module Gitlab
     # This ensures we don't produce any errors that users can't do anything
     # about themselves.
     def self.enable?
-      Gitlab.com? || Rails.env.development? || Rails.env.test?
+      Rails.env.development? || Rails.env.test?
     end
 
     # Allows the current request to execute any number of SQL queries.

spec/lib/gitlab/query_limiting_spec.rb

@@ -12,14 +12,16 @@ describe Gitlab::QueryLimiting do
       expect(described_class.enable?).to eq(true)
     end
 
-    it 'returns true on GitLab.com' do
+    it 'returns false on GitLab.com' do
+      expect(Rails.env).to receive(:development?).and_return(false)
+      expect(Rails.env).to receive(:test?).and_return(false)
       allow(Gitlab).to receive(:com?).and_return(true)
 
-      expect(described_class.enable?).to eq(true)
+      expect(described_class.enable?).to eq(false)
     end
 
-    it 'returns true in a non GitLab.com' do
-      expect(Gitlab).to receive(:com?).and_return(false)
+    it 'returns false in a non GitLab.com' do
+      allow(Gitlab).to receive(:com?).and_return(false)
       expect(Rails.env).to receive(:development?).and_return(false)
       expect(Rails.env).to receive(:test?).and_return(false)