remove unused controller actions

app/controllers/posts_controller.rb

@@ -1,6 +1,4 @@
 class PostsController < ApplicationController
-  before_action :set_post, only: %i[ show update destroy ]
-
   # GET /posts
   # GET /posts.json
   def index
@@ -10,6 +8,7 @@ class PostsController < ApplicationController
   # GET /posts/1
   # GET /posts/1.json
   def show
+    @post = Post.find(params[:id])
   end
 
   # POST /posts
@@ -24,30 +23,10 @@ class PostsController < ApplicationController
     end
   end
 
-  # PATCH/PUT /posts/1
-  # PATCH/PUT /posts/1.json
-  def update
-    if @post.update(post_params)
-      render :show, status: :ok, location: @post
-    else
-      render json: @post.errors, status: :unprocessable_entity
-    end
-  end
-
-  # DELETE /posts/1
-  # DELETE /posts/1.json
-  def destroy
-    @post.destroy
-  end
-
   private
-    # Use callbacks to share common setup or constraints between actions.
-    def set_post
-      @post = Post.find(params[:id])
-    end
 
-    # Only allow a list of trusted parameters through.
-    def post_params
-      params.require(:post).permit(:content, :user_id, :quoted_post_id)
-    end
+  # Only allow a list of trusted parameters through.
+  def post_params
+    params.require(:post).permit(:content, :user_id, :quoted_post_id)
+  end
 end