removed unused dependencies related to S3 -- carrierwave direct, fog

Gemfile

@@ -37,15 +37,6 @@ gem 'bcrypt-ruby', '~> 3.0.0'
 
 gem 'rails_12factor', group: :production
 
-# Use carrierwave_direct for S3 interaction
-gem 'carrierwave_direct', '~> 0.0.13'
-
-# Use fog for handling AWS implementation on back end
-gem 'fog'
-
-# Optional fog dependency unf for non-ASCII characters. May be unnecessary.
-gem 'unf'
-
 # Use unicorn as the app server
 # gem 'unicorn'
 

Gemfile.lock

@@ -29,14 +29,6 @@ GEM
     atomic (1.1.14)
     bcrypt-ruby (3.0.1)
     builder (3.1.4)
-    carrierwave (0.9.0)
-      activemodel (>= 3.2.0)
-      activesupport (>= 3.2.0)
-      json (>= 1.7)
-    carrierwave_direct (0.0.13)
-      carrierwave
-      fog
-      uuidtools
     coderay (1.0.9)
     coffee-rails (4.0.1)
       coffee-script (>= 2.2.0)
@@ -46,19 +38,7 @@ GEM
       execjs
     coffee-script-source (1.6.3)
     erubis (2.7.0)
-    excon (0.28.0)
     execjs (2.0.2)
-    fog (1.18.0)
-      builder
-      excon (~> 0.28.0)
-      formatador (~> 0.2.0)
-      mime-types
-      multi_json (~> 1.0)
-      net-scp (~> 1.1)
-      net-ssh (>= 2.1.3)
-      nokogiri (~> 1.5)
-      ruby-hmac
-    formatador (0.2.4)
     hike (1.2.3)
     i18n (0.6.5)
     jbuilder (1.5.2)
@@ -73,14 +53,8 @@ GEM
       treetop (~> 1.4.8)
     method_source (0.8.2)
     mime-types (1.25)
-    mini_portile (0.5.2)
     minitest (4.7.5)
     multi_json (1.8.2)
-    net-scp (1.1.2)
-      net-ssh (>= 2.6.5)
-    net-ssh (2.7.0)
-    nokogiri (1.6.0)
-      mini_portile (~> 0.5.0)
     pg (0.17.0)
     polyglot (0.3.3)
     pry (0.9.12.2)
@@ -113,7 +87,6 @@ GEM
     rake (10.1.0)
     rdoc (3.12.2)
       json (~> 1.4)
-    ruby-hmac (0.4.0)
     sass (3.2.12)
     sass-rails (4.0.1)
       railties (>= 4.0.0, < 5.0)
@@ -145,19 +118,13 @@ GEM
     uglifier (2.3.0)
       execjs (>= 0.3.0)
       json (>= 1.8.0)
-    unf (0.1.3)
-      unf_ext
-    unf_ext (0.0.6)
-    uuidtools (2.1.4)
 
 PLATFORMS
   ruby
 
 DEPENDENCIES
   bcrypt-ruby (~> 3.0.0)
-  carrierwave_direct (~> 0.0.13)
   coffee-rails (~> 4.0.0)
-  fog
   jbuilder (~> 1.2)
   jquery-rails
   pg
@@ -168,4 +135,3 @@ DEPENDENCIES
   sdoc
   turbolinks
   uglifier (>= 1.3.0)
-  unf

app/views/tracks/new.html.erb

@@ -3,7 +3,7 @@
   window._awsAccessId = "<%= ENV['AWS_ACCESS_KEY_ID'] %>"
 <% end %>
 <%= javascript_include_tag :record_assets %>
- 
+
 <div class="song-home">
   <div class="recorder">
     <div class="center">