Delete the unnecessary commands from the new task.

tasks/new.rake

@@ -11,13 +11,6 @@ task :new do
   # generate the post md file:
   sh "hugo new #{postname}"
 
-  # Replace the url string:
-  cmd = %Q!sed -i -e "s/url = \\"\\"/url = \\"\\/#{day.year}\\/#{day.strftime("%m")}\\/#{day.strftime("%d")}\\/#{title}\\/\\"/" content/#{postname}!
-  sh cmd
-
-  # Remove `*.md-e` file:
-  sh 'find content/post/ -type f -name "*.md-e" -delete'
-
   # workaround
   ARGV.slice(1, ARGV.size).each{|v| task v.to_sym do; end}
 end