not all days have different part2 example

Author: robbkidd

2024/ruby/template.rb.erb

@@ -13,5 +13,4 @@ class <%= day_klass_name %> < Day # >
   end
 
   EXAMPLE_INPUT = File.read("../inputs/<%= day_klass_name.downcase %>-example-input.txt")
-  EXAMPLE_INPUT_PART2 = File.read("../inputs/<%= day_klass_name.downcase %>-example-part2-input.txt")
 end