Remove redundant call to after branch delete service

app/services/delete_branch_service.rb

@@ -22,7 +22,6 @@ class DeleteBranchService < BaseService
     end
 
     if repository.rm_branch(current_user, branch_name)
-      execute_after_branch_delete_hooks(branch_name)
       success('Branch was removed')
     else
       error('Failed to remove branch')
@@ -48,12 +47,4 @@ class DeleteBranchService < BaseService
       "#{Gitlab::Git::BRANCH_REF_PREFIX}#{branch.name}",
       [])
   end
-
-  private
-
-  def execute_after_branch_delete_hooks(branch_name)
-    AfterBranchDeleteService
-      .new(project, current_user)
-      .execute(branch_name)
-  end
 end

spec/features/environments_spec.rb

@@ -291,11 +291,26 @@ feature 'Environments', feature: true do
     scenario 'user deletes the branch with running environment' do
       visit namespace_project_branches_path(project.namespace, project)
 
+      remove_branch_with_hooks(project, user, 'feature') do
         page.within('.js-branch-feature') { find('a.btn-remove').click }
+      end
+
       visit_environment(environment)
 
       expect(page).to have_no_link('Stop')
     end
+
+    def remove_branch_with_hooks(project, user, branch)
+      params = {
+        oldrev: project.commit(branch).id,
+        newrev: Gitlab::Git::BLANK_SHA,
+        ref: "refs/heads/#{branch}"
+      }
+
+      yield
+
+      GitPushService.new(project, user, params).execute
+    end
   end
 
   def visit_environments(project)

spec/services/delete_branch_service_spec.rb

@@ -20,12 +20,6 @@ describe DeleteBranchService, services: true do
         expect(result[:status]).to eq :success
         expect(branch_exists?('feature')).to be false
       end
-
-      it 'calls after branch delete hooks' do
-        expect(service).to receive(:execute_after_branch_delete_hooks)
-
-        service.execute('feature')
-      end
     end
 
     context 'when user does not have access to push to repository' do
@@ -38,12 +32,6 @@ describe DeleteBranchService, services: true do
         expect(result[:message]).to eq 'You dont have push access to repo'
         expect(branch_exists?('feature')).to be true
       end
-
-      it 'does not call after branch delete hooks' do
-        expect(service).not_to receive(:execute_after_branch_delete_hooks)
-
-        service.execute('feature')
-      end
     end
   end