Remove unused column

The index in schema.rb is not directly related to this modification, it should
have been part of 2b763e4484 but was presumably
forgotten

db/migrate/20190311140926_remove_type_from_types_de_champ.rb

@@ -0,0 +1,5 @@
+class RemoveTypeFromTypesDeChamp < ActiveRecord::Migration[5.2]
+  def change
+    remove_column :types_de_champ, :type, :string
+  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: 2019_02_26_105641) do
+ActiveRecord::Schema.define(version: 2019_03_11_140926) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -536,7 +536,6 @@ ActiveRecord::Schema.define(version: 2019_02_26_105641) do
     t.integer "procedure_id"
     t.text "description"
     t.boolean "mandatory", default: false
-    t.string "type"
     t.boolean "private", default: false, null: false
     t.datetime "created_at"
     t.datetime "updated_at"
@@ -559,6 +558,7 @@ ActiveRecord::Schema.define(version: 2019_02_26_105641) do
     t.integer "order_place"
     t.string "lien_demarche"
     t.boolean "mandatory", default: false
+    t.index ["procedure_id"], name: "index_types_de_piece_justificative_on_procedure_id"
   end
 
   create_table "users", id: :serial, force: :cascade do |t|