remove Encoding rubocop enforcement
remove Encoding rubocop enforcement

this isn't necessary at all in ruby >= 2.0

https://github.com/bbatsov/rubocop/blob/ec3123fc3454b080e1100e35480c6466d1240fff/lib/rubocop/cop/style/encoding.rb#L6-L15

Signed-off-by: Lamont Granquist <0ab8dc438f73addc98d9ad5925ec8f2b97991703@scriptkiddie.org>

chef-cookbooks/audit,jeremymv2/audit,chef-cookbooks/audit,jeremymv2/audit