Refactor spec_helper requirement with rspec config

spec/views/home/index.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'home/index' do
   before do
     assign :playlists,  [mock_model(Playlist, name: 'Electro')]

spec/views/playlists/edit.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'playlists/edit' do
   let(:playlist) { mock_model(Playlist).as_new_record.as_null_object }
 

spec/views/playlists/index.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'playlists/index' do
   before { assign :playlists, [mock_model(Playlist, name: 'Electro')] }
 

spec/views/playlists/new.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'playlists/new' do
   let(:playlist) { mock_model(Playlist).as_new_record.as_null_object }
 

spec/views/sessions/new.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'sessions/new' do
   it 'renders a form to sign in' do
     render

spec/views/tracks/new.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'tracks/new' do
   let(:track) { mock_model(Track).as_new_record.as_null_object }
 

spec/views/tracks/show.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'tracks/show' do
   let(:track) { FactoryGirl.create(:track) }
 

spec/views/users/new.html.haml_spec.rb

@@ -1,5 +1,3 @@
-require 'spec_helper'
-
 describe 'users/new' do
   let(:user) { mock_model(User).as_new_record.as_null_object }