Remove unused method from CI/CD YAML processor

lib/ci/gitlab_ci_yaml_processor.rb

@@ -32,12 +32,6 @@ module Ci
       end
     end
 
-    def builds_for_ref(ref, tag = false, source = nil)
-      jobs_for_ref(ref, tag, source).map do |name, _|
-        build_attributes(name)
-      end
-    end
-
     def builds_for_stage_and_ref(stage, ref, tag = false, source = nil)
       jobs_for_stage_and_ref(stage, ref, tag, source).map do |name, _|
         build_attributes(name)

spec/lib/ci/gitlab_ci_yaml_processor_spec.rb

@@ -206,7 +206,7 @@ module Ci
       end
     end
 
-    describe "#builds_for_ref" do
+    describe "#builds_for_stage_and_ref" do
       let(:type) { 'test' }
 
       it "returns builds if no branch specified" do