Link to diary comments using anchors, rather than showing them alone

Neither way is perfect, but this is less surprising than seeing a diary
entry with only one comment visible.

app/controllers/diary_entry_controller.rb

@@ -186,9 +186,6 @@ class DiaryEntryController < ApplicationController
     @entry = @this_user.diary_entries.visible.where(:id => params[:id]).first
     if @entry
       @title = t "diary_entry.view.title", :user => params[:display_name], :title => @entry.title
-      if params[:comment_id]
-        @reported_comment = DiaryComment.where(:id => params[:comment_id])
-      end
     else
       @title = t "diary_entry.no_such_entry.title", :id => params[:id]
       render :action => "no_such_entry", :status => :not_found