removing unused code

app/controllers/conversations_controller.rb

@@ -1,8 +1,7 @@
 class ConversationsController < ApplicationController
   respond_to :html
   before_action :authenticate_member!
-  # before_action :get_mailbox, :get_box
-  before_action :check_current_subject_in_conversation, :only => [:show, :update, :destroy]
+  before_action :check_current_subject_in_conversation, only: %i(show update destroy)
 
   def index
     @conversations = if box.eql? "inbox"
@@ -30,7 +29,7 @@ class ConversationsController < ApplicationController
     end
 
     @receipts = if box.eql? 'trash'
-                 mailbox.receipts_for(@conversation).trash
+                  mailbox.receipts_for(@conversation).trash
                 else
                   mailbox.receipts_for(@conversation).not_trash
                 end

app/controllers/messages_controller.rb

@@ -25,7 +25,6 @@ class MessagesController < ApplicationController
   def create
     if params[:conversation_id].present?
       @conversation = Mailboxer::Conversation.find(params[:conversation_id])
-      # receipts = conversation.receipts_for alfa
       current_member.reply_to_conversation(@conversation, params[:body])
       redirect_to conversation_path(@conversation)
     else
@@ -47,6 +46,6 @@ class MessagesController < ApplicationController
     @current_subject ||=
       # current_subject_from_params  ||
       # current_subject_from_session ||
-        current_member
+      current_member
   end
 end

app/controllers/notifications_controller.rb

@@ -66,22 +66,4 @@ class NotificationsController < ApplicationController
   def notification_params
     params.require(:notification).permit(:sender_id, :recipient_id, :subject, :body, :post_id, :read)
   end
-
-  def conversation_params(*keys)
-    fetch_params(:conversation, *keys)
-  end
-
-  def message_params(*keys)
-    fetch_params(:message, *keys)
-  end
-
-  def fetch_params(key, *subkeys)
-    params[key].instance_eval do
-      case subkeys.size
-      when 0 then self
-      when 1 then self[subkeys.first]
-      else subkeys.map{|k| self[k] }
-      end
-    end
-  end
 end