Add option for admin to remove users secondary emails.

app/controllers/admin/users_controller.rb

@@ -100,6 +100,16 @@ class Admin::UsersController < Admin::ApplicationController
     end
   end
 
+  def remove_email
+    email = user.emails.find(params[:email_id])
+    email.destroy
+
+    respond_to do |format|
+      format.html { redirect_to :back, notice: "Successfully removed email." }
+      format.js { render nothing: true }
+    end
+  end
+
   protected
 
   def user

app/views/admin/users/show.html.haml

@@ -44,6 +44,8 @@
               %li
                 %span.light Secondary email:
                 %strong= email.email
+                = link_to remove_email_admin_user_path(@user, email), data: { confirm: "Are you sure you want to remove #{email.email}?" }, method: :delete, class: "btn-tiny btn btn-remove pull-right", title: 'Remove secondary email' do
+                  %i.icon-remove
 
             %li
               %span.light Can create groups:

config/routes.rb

@@ -68,6 +68,7 @@ Gitlab::Application.routes.draw do
         put :team_update
         put :block
         put :unblock
+        delete 'remove/:email_id', action: 'remove_email', as: 'remove_email'
       end
     end