Remove debugger require

aaronjensen · aaronjensen · commit 2eac9c0d6852 · 2014-11-13T08:37:37.000-08:00
debugger doesn't seem to be an actual dependency and it doesn't work in ruby 2.0+
diff --git a/lib/rails_stats.rb b/lib/rails_stats.rb
@@ -4,8 +4,6 @@ module RailsStats
 
 end
 
-require 'debugger'
-
 require 'rails_stats/inflector'
 require 'rails_stats/code_statistics_calculator'
 require 'rails_stats/util'
