Remove unused view and update redirect when destroy snippet

app/controllers/snippets_controller.rb

@@ -43,7 +43,7 @@ class SnippetsController < ApplicationController
 
     @snippet.destroy
 
-    redirect_to snippets_path
+    redirect_to dashboard_snippets_path
   end
 
   def raw

app/views/snippets/index.html.haml

-- page_title "By #{@user.name}", "Snippets"
-
-%ol.breadcrumb
-  %li
-    = link_to snippets_path do
-      Snippets
-  %li
-    = @user.name
-  .pull-right.hidden-xs
-    = link_to user_path(@user) do
-      #{@user.name} profile page
-
-= render 'snippets'