Merge pull request #510 from pocke/ruby-waring

Suppress method redefined warnings

Author: tomlongridge

lib/bugsnag/configuration.rb

@@ -37,7 +37,6 @@ class Configuration
     attr_accessor :runtime_versions
     attr_accessor :ignore_classes
     attr_accessor :auto_capture_sessions
-    attr_accessor :track_sessions
 
     ##
     # @return [String] URL error notifications will be delivered to