Revert "Map added on side bar"

This reverts commit 7a498993101d3789e7afb7d19f0438fe184602cd.

Conflicts:
	public/atom.xml
	public/blog/categories/fix/atom.xml
	public/blog/categories/heroku/atom.xml
	public/blog/categories/rails/atom.xml
	public/blog/categories/ruby/atom.xml
	public/sitemap.xml