Remove ListGcpProjectsService

app/services/list_gcp_projects_service.rb

-class ListGcpProjectsService
-  def execute(token)
-    client = GoogleApi::CloudPlatform::Client.new(token, nil)
-    # Lists only projects with billing enabled
-    client.projects_list.select do |project|
-      begin
-        client.projects_get_billing_info(project.project_id).billing_enabled
-      rescue
-      end
-    end
-  end
-end

spec/services/list_gcp_projects_service_spec.rb

-require 'spec_helper'
-
-describe ListGcpProjectsService do
-  include GoogleApi::CloudPlatformHelpers
-
-  let(:service) { described_class.new }
-  let(:project_id) { 'test-project-1234' }
-
-  describe '#execute' do
-    before do
-      stub_cloud_platform_projects_list(project_id: project_id)
-    end
-
-    subject { service.execute('bogustoken') }
-
-    context 'google account has a billing enabled gcp project' do
-      before do
-        stub_cloud_platform_projects_get_billing_info(project_id, true)
-      end
-
-      it { is_expected.to all(satisfy { |project| project.project_id == project_id }) }
-    end
-
-    context 'google account does not have a billing enabled gcp project' do
-      before do
-        stub_cloud_platform_projects_get_billing_info(project_id, false)
-      end
-
-      it { is_expected.to eq([]) }
-    end
-  end
-end