fix error with url handler - remove offending posts

/Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/utils.rb:115:in `slugify': undefined method `gsub' for 2003:Fixnum (NoMethodError)
	from /Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/document.rb:133:in `url_placeholders'
	from /Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/document.rb:151:in `url'
	from /Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/document.rb:237:in `to_liquid'
	from /Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/renderer.rb:34:in `run'
	from /Users/budparr/.rvm/gems/ruby-2.1.1/gems/jekyll-2.4.0/lib/jekyll/site.rb:263:in `block (2 levels) in render'

Signed-off-by: budparr <budparr@sonnetmedia.net>