グカネータ公開 (#361) (#368)

Reviewed-on: http://git.miteruzo.com/miteruzo/btrc-hub/pulls/368
Co-authored-by: miteruzo <miteruzo@naver.com>
Co-committed-by: miteruzo <miteruzo@naver.com>

backend/app/controllers/gekanator_posts_controller.rb

@@ -1,7 +1,5 @@
 class GekanatorPostsController < ApplicationController
   def index
-    return head :not_found unless current_user&.admin?
-
     posts =
         Post
         .preload(tags: :tag_name)