Revert "Merge branch 'fix-latest-pipeine-ordering-again' into 'master'"

This reverts commit a18ad6cf.

app/models/ci/pipeline.rb

@@ -102,7 +102,7 @@ module Ci
     end
 
     def self.latest_successful_for(ref)
-      success.latest(ref).order(id: :desc).first
+      success.latest(ref).first
     end
 
     def self.truncate_sha(sha)

spec/models/ci/pipeline_spec.rb

@@ -462,19 +462,6 @@ describe Ci::Pipeline, models: true do
     end
   end
 
-  describe '.latest_successful_for' do
-    include_context 'with some outdated pipelines'
-
-    let!(:latest_successful_pipeline) do
-      create_pipeline(:success, 'ref', 'D')
-    end
-
-    it 'returns the latest successful pipeline' do
-      expect(described_class.latest_successful_for('ref')).
-        to eq(latest_successful_pipeline)
-    end
-  end
-
   describe '#status' do
     let!(:build) { create(:ci_build, :created, pipeline: pipeline, name: 'test') }