remove no longer needed TimeUtil active_support require

nehresma · nehresma · commit c70d7f6658b4 · 2022-12-23T15:34:37.000-05:00
This was a holdover from the original PR back in 2016.  TimeUtil
has since been refactored to not need this, but the require was
inadvertently left.
diff --git a/lib/ice_cube/time_util.rb b/lib/ice_cube/time_util.rb
@@ -1,7 +1,5 @@
 require 'date'
 require 'time'
-require 'active_support'
-require 'active_support/core_ext'
 
 module IceCube
   module TimeUtil
