delete obsolete files

Signed-off-by: Alexandre Arias <apa13@inf.ufpr.br>

db/migrate/20150930123850_create_complaint_messages.rb

-class CreateComplaintMessages < ActiveRecord::Migration
-  def change
-    create_table :complaint_messages do |t|
-
-      t.timestamps null: false
-    end
-  end
-end

test/fixtures/complaint_messages.yml

-# Read about fixtures at http://api.rubyonrails.org/classes/ActiveRecord/FixtureSet.html
-
-# This model initially had no columns defined.  If you add columns to the
-# model remove the '{}' from the fixture names and add the columns immediately
-# below each fixture, per the syntax in the comments below
-#
-one: {}
-# column: value
-#
-two: {}
-#  column: value