Prevent creating 2 Ci::Project entities when enable CI

app/models/project.rb

@@ -751,13 +751,9 @@ class Project < ActiveRecord::Base
     gitlab_ci_project || create_gitlab_ci_project
   end
 
-  def enable_ci(user)
-    # Enable service
+  def enable_ci
     service = gitlab_ci_service || create_gitlab_ci_service
     service.active = true
     service.save
-
-    # Create Ci::Project
-    Ci::CreateProjectService.new.execute(user, self)
   end
 end

app/services/git_push_service.rb

@@ -58,7 +58,7 @@ class GitPushService
     # If CI was disabled but .gitlab-ci.yml file was pushed
     # we enable CI automatically
     if !project.gitlab_ci? && gitlab_ci_yaml?(newrev)
-      project.enable_ci(user)
+      project.enable_ci
     end
 
     EventCreateService.new.push(project, user, @push_data)

features/steps/project/commits/commits.rb

@@ -103,7 +103,7 @@ class Spinach::Features::ProjectCommits < Spinach::FeatureSteps
   end
 
   step 'commit has ci status' do
-    @project.enable_ci(@user)
+    @project.enable_ci
     create :ci_commit, gl_project: @project, sha: sample_commit.id
   end
 

features/steps/shared/project.rb

@@ -199,7 +199,7 @@ module SharedProject
 
   step 'project "Shop" has CI enabled' do
     project = Project.find_by(name: "Shop")
-    project.enable_ci(@user)
+    project.enable_ci
   end
 
   step 'project "Shop" has CI build' do

spec/models/project_spec.rb

@@ -417,9 +417,8 @@ describe Project do
 
   describe :enable_ci do
     let(:project) { create :project }
-    let(:user) { create :user }
 
-    before { project.enable_ci(user) }
+    before { project.enable_ci }
 
     it { expect(project.gitlab_ci?).to be_truthy }
     it { expect(project.gitlab_ci_project).to be_a(Ci::Project) }