Remove unnecessary gem material design

Author: nanophate

Gemfile

@@ -15,7 +15,6 @@ gem 'jquery-rails'
 
 gem 'simple_grid_rails'
 gem "bootstrap-sass", "~> 3.3.5"
-gem 'bootstrap-material-design'
 gem 'sass-rails', '~> 5.0'
 gem 'sdoc', '~> 0.4.0', group: :doc
 gem 'uglifier', '>= 1.3.0'

Gemfile.lock

@@ -42,8 +42,6 @@ GEM
       execjs
     binding_of_caller (0.7.2)
       debug_inspector (>= 0.0.1)
-    bootstrap-material-design (0.2.2)
-      bootstrap-sass (~> 3.0)
     bootstrap-sass (3.3.6)
       autoprefixer-rails (>= 5.2.1)
       sass (>= 3.3.4)
@@ -190,7 +188,6 @@ PLATFORMS
   ruby
 
 DEPENDENCIES
-  bootstrap-material-design
   bootstrap-sass (~> 3.3.5)
   coffee-rails (~> 4.1.0)
   jbuilder (~> 2.0)

app/assets/stylesheets/application.scss

@@ -12,7 +12,6 @@
  *
  *= require scrivito
  *= require scrivito_section_widgets
- *= require bootstrap-material-design
  */
 
 @import "bootstrap-sprockets";

app/views/paragraph_widget/show.html.erb

@@ -1,7 +1,7 @@
 <div class="row">
-  <div class="col-12">
+  <div class="col-md-12">
     <div class="cover-bg-blue">
-      <div class="col-3">
+      <div class="col-md-3">
         <%= scrivito_image_tag widget,:image , class:'image-responsive center-block'%>
         <%= scrivito_tag :h1, widget, :headline, data: {newlines: false}, class:'center-block cover-text-white' %>
       <div style="padding-bottom:15px;">