update schema

db/schema.rb

@@ -91,8 +91,6 @@ ActiveRecord::Schema.define(version: 20141030133853) do
     t.integer  "project_id"
     t.datetime "created_at"
     t.datetime "updated_at"
-    t.string   "username_regex"
-    t.string   "email_regex"
     t.string   "author_email_regex"
     t.boolean  "member_check",         default: false, null: false
   end