[deploy] Stop using ProfileField#active Part 2 (#9911)

* Remove ProfileField#active

* Add schema.rb

app/models/profile_field.rb

@@ -1,6 +1,4 @@
 class ProfileField < ApplicationRecord
-  self.ignored_columns = ["active"]
-
   before_create :generate_attribute_name
 
   WORD_REGEX = /\w+/.freeze

db/migrate/20200821035520_remove_active_from_profile_field.rb

@@ -0,0 +1,7 @@
+class RemoveActiveFromProfileField < ActiveRecord::Migration[6.0]
+  def change
+    def change
+      safety_assured { remove_column :profile_fields, :active }
+    end
+  end
+end

db/schema.rb

@@ -10,7 +10,7 @@
 #
 # It's strongly recommended that you check this file into your version control system.
 
-ActiveRecord::Schema.define(version: 2020_08_20_093752) do
+ActiveRecord::Schema.define(version: 2020_08_21_035520) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "citext"
@@ -933,7 +933,6 @@ ActiveRecord::Schema.define(version: 2020_08_20_093752) do
   end
 
   create_table "profile_fields", force: :cascade do |t|
-    t.boolean "active", default: true, null: false
     t.string "attribute_name", null: false
     t.datetime "created_at", precision: 6, null: false
     t.string "description"