Remove 1 year old ignore column

Signed-off-by: Dmytro Zaporozhets <dzaporozhets@gitlab.com>

app/models/ci/build.rb

@@ -14,8 +14,6 @@ module Ci
 
     BuildArchivedError = Class.new(StandardError)
 
-    ignore_columns :artifacts_file, :artifacts_file_store, :artifacts_metadata, :artifacts_metadata_store, :artifacts_size, :commands, remove_after: '2019-12-15', remove_with: '12.7'
-
     belongs_to :project, inverse_of: :builds
     belongs_to :runner
     belongs_to :trigger_request

app/models/ci/runner.rb

@@ -45,8 +45,6 @@ module Ci
     FORM_EDITABLE = %i[description tag_list active run_untagged locked access_level maximum_timeout_human_readable].freeze
     MINUTES_COST_FACTOR_FIELDS = %i[public_projects_minutes_cost_factor private_projects_minutes_cost_factor].freeze
 
-    ignore_column :is_shared, remove_after: '2019-12-15', remove_with: '12.6'
-
     has_many :builds
     has_many :runner_projects, inverse_of: :runner, dependent: :destroy # rubocop:disable Cop/ActiveRecordDependent
     has_many :projects, through: :runner_projects

app/models/deploy_key.rb

@@ -13,8 +13,6 @@ class DeployKey < Key
   scope :are_public, -> { where(public: true) }
   scope :with_projects, -> { includes(deploy_keys_projects: { project: [:route, namespace: :route] }) }
 
-  ignore_column :can_push, remove_after: '2019-12-15', remove_with: '12.6'
-
   accepts_nested_attributes_for :deploy_keys_projects
 
   def private?

lib/gitlab/data_builder/build.rb

@@ -85,7 +85,6 @@ module Gitlab
           id: runner.id,
           description: runner.description,
           active: runner.active?,
-          is_shared: runner.instance_type?,
           tags: runner.tags&.map(&:name)
         }
       end

lib/gitlab/data_builder/pipeline.rb

@@ -77,7 +77,6 @@ module Gitlab
           id: runner.id,
           description: runner.description,
           active: runner.active?,
-          is_shared: runner.instance_type?,
           tags: runner.tags&.map(&:name)
         }
       end

spec/lib/gitlab/data_builder/pipeline_spec.rb

@@ -59,7 +59,6 @@ RSpec.describe Gitlab::DataBuilder::Pipeline do
         expect(runner_data[:id]).to eq(ci_runner.id)
         expect(runner_data[:description]).to eq(ci_runner.description)
         expect(runner_data[:active]).to eq(ci_runner.active)
-        expect(runner_data[:is_shared]).to eq(ci_runner.instance_type?)
         expect(runner_data[:tags]).to match_array(tag_names)
       end
     end