Remove constant as it's now provided by const_get

Author: ioquatix

lib/core/facets/kernel.rb

@@ -8,7 +8,6 @@
 require_relative 'kernel/call_stack.rb'
 require_relative 'kernel/case.rb'
 require_relative 'kernel/complete.rb'
-require_relative 'kernel/constant.rb'
 require_relative 'kernel/d.rb'
 require_relative 'kernel/deep_clone.rb'
 require_relative 'kernel/deep_copy.rb'