Merge branch 'fix-job-title-validation' into 'master'

Remove presence validation of job title

See merge request gitlab-org/gitlab!26421

app/models/user_detail.rb

@@ -3,5 +3,5 @@
 class UserDetail < ApplicationRecord
   belongs_to :user
 
-  validates :job_title, presence: true, length: { maximum: 200 }
+  validates :job_title, length: { maximum: 200 }
 end

spec/models/user_detail_spec.rb

@@ -7,7 +7,7 @@ describe UserDetail do
 
   describe 'validations' do
     describe 'job_title' do
-      it { is_expected.to validate_presence_of(:job_title) }
+      it { is_expected.not_to validate_presence_of(:job_title) }
       it { is_expected.to validate_length_of(:job_title).is_at_most(200) }
     end
   end