Remove snippet for deprecated find(:all)

This was removed in Rails 4.
http://blog.remarkablelabs.com/2012/12/what-s-new-in-active-record-rails-4-countdown-to-2013

UltiSnips/rails.snippets

@@ -793,10 +793,6 @@ snippet xput "xhr put"
 xhr :put, :${1:update}, :id => ${2:1}, :${3:object} => { $4 }$0
 endsnippet
 
-snippet finl "find(:last)"
-find(:last${1:, :conditions => ['${2:${3:field} = ?}', ${5:true}]})
-endsnippet
-
 snippet sweeper "Create sweeper class"
 class ${1:Model}Sweeper < ActionController::Caching::Sweeper
 	observe ${1:Model}