Revert "Enable Style/BarePercentLiterals"

.rubocop.yml

.rubocop_todo.yml

app/helpers/commits_helper.rb

app/models/commit.rb

...igrate/20160610201627_migrate_users_notification_level.rb

db/migrate/20160831214543_migrate_project_features.rb

features/steps/project/badges/build.rb

lib/banzai/filter/autolink_filter.rb

lib/banzai/filter/reference_filter.rb

lib/banzai/filter/table_of_contents_filter.rb

lib/gitlab/database/median.rb

spec/features/projects/badges/coverage_spec.rb

spec/features/projects/issuable_templates_spec.rb

spec/features/projects/pipelines/pipelines_spec.rb

spec/helpers/blob_helper_spec.rb

spec/helpers/gitlab_markdown_helper_spec.rb

spec/lib/banzai/filter/external_link_filter_spec.rb

spec/lib/banzai/filter/label_reference_filter_spec.rb

spec/lib/banzai/filter/milestone_reference_filter_spec.rb

spec/lib/banzai/filter/user_reference_filter_spec.rb