Gemfile in simple_navigation_bootstrap-1.0.1 vs Gemfile in simple_navigation_bootstrap-1.1.0

@@ -1,14 +1,9 @@
+# frozen_string_literal: true
+
 source 'https://rubygems.org'
 
 # Specify your gem's dependencies in simple_navigation_bootstrap.gemspec
 gemspec
-
-# Get master branch of simple-navigation to fix 'undefined class ::Rails::Railtie' error
-# See: https://github.com/codeplant/simple-navigation/commit/fb2c41511ade34e1ed6857a89ab2c7f1eead3ecb
-gem 'simple-navigation', git: 'https://github.com/codeplant/simple-navigation.git'
-
-# README edition
-gem 'gh-preview'
 
 # CodeClimate Test Coverage
 gem 'codeclimate-test-reporter', group: :test, require: nil