fix: remove user reference from people

Association added in error. Person is already referenced in user.

db/migrate/20190320221213_remove_user_reference_from_people.rb

@@ -0,0 +1,9 @@
+class RemoveUserReferenceFromPeople < ActiveRecord::Migration[5.2]
+
+  def change
+    # Association added in error.
+    # Person is already referenced in user.
+    remove_reference :people, :user, index: true, foreign_key: true
+  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: 2018_12_07_231923) do
+ActiveRecord::Schema.define(version: 2019_03_20_221213) do
 
   # These are extensions that must be enabled in order to support this database
   enable_extension "plpgsql"
@@ -54,11 +54,9 @@
     t.string "first_name"
     t.string "last_name"
     t.string "email", default: "", null: false
-    t.bigint "user_id"
     t.datetime "created_at", null: false
     t.datetime "updated_at", null: false
     t.index ["email"], name: "index_people_on_email", unique: true
-    t.index ["user_id"], name: "index_people_on_user_id"
   end
 
   create_table "roles", force: :cascade do |t|
@@ -144,7 +142,6 @@
 
   add_foreign_key "list_items", "lists"
   add_foreign_key "organisations", "scholars"
-  add_foreign_key "people", "users"
   add_foreign_key "scholar_transitions", "people", column: "created_by_id"
   add_foreign_key "scholar_transitions", "scholars"
   add_foreign_key "scholars", "disciplines"