Removed unused controllers actions / routes (#3206).

app/controllers/artists_controller.rb

@@ -49,9 +49,6 @@ class ArtistsController < ApplicationController
     end
   end
 
-  def search
-  end
-
   def show
     @artist = Artist.find(params[:id])
     @post_set = PostSets::Artist.new(@artist)

app/controllers/pools_controller.rb

@@ -28,9 +28,6 @@ class PoolsController < ApplicationController
     @post_set = PostSets::PoolGallery.new(@pools)
   end
 
-  def search
-  end
-
   def show
     @pool = Pool.find(params[:id])
     @post_set = PostSets::Pool.new(@pool, params[:page])

app/controllers/tags_controller.rb

@@ -27,9 +27,6 @@ class TagsController < ApplicationController
     end
   end
 
-  def search
-  end
-
   def show
     @tag = Tag.find(params[:id])
     respond_with(@tag)