[IQDB] Remove xhr handling

app/controllers/iqdb_queries_controller.rb

@@ -1,6 +1,6 @@
 class IqdbQueriesController < ApplicationController
   respond_to :html, :json
-  before_action :detect_xhr, :throttle
+  before_action :throttle
 
   def show
     if params[:file]
@@ -18,10 +18,6 @@ class IqdbQueriesController < ApplicationController
     end
 
     respond_with(@matches) do |fmt|
-      fmt.html do |html|
-        html.xhr { render layout: false }
-      end
-
       fmt.json do
         render json: @matches, root: "posts"
       end
@@ -45,10 +41,4 @@ class IqdbQueriesController < ApplicationController
       end
     end
   end
-
-  def detect_xhr
-    if request.xhr?
-      request.variant = :xhr
-    end
-  end
 end

app/views/iqdb_queries/show.html+xhr.erb

@@ -1 +0,0 @@
-<%= render "iqdb_queries/matches" %>

test/functional/iqdb_queries_controller_test.rb

@@ -25,7 +25,7 @@ class IqdbQueriesControllerTest < ActionDispatch::IntegrationTest
 
         should "render a response" do
           IqdbProxy.expects(:query_url).with(@url, nil).returns(@mocked_response)
-          get_auth iqdb_queries_path(variant: "xhr"), @user, params: @params
+          get_auth iqdb_queries_path, @user, params: @params
           assert_select("#post_#{@posts[0].id}")
         end
       end