Remove tests related to the encoding
Remove tests related to the encoding

It's not Redcarpet's job to check whether the strings' encoding is
correctly kept or not. The call to rb_enc_get(text) ensure we keep
the string encoding.

kattybilly/redcarpet,vmg/redcarpet,emq/redcarpet,be9/redcarpet,kaneshin/redcarpet,gitcafe-dev/redcarpet,liquorburn/redcarpet,Hacker0x01/redcarpet,Hacker0x01/redcarpet,liquorburn/redcarpet,JuanitoFatas/redcarpet,kattybilly/redcarpet,Hacker0x01/redcarpet,increments/greenmat,increments/greenmat,emq/redcarpet,kaneshin/redcarpet,kattybilly/redcarpet,vmg/redcarpet,fukayatsu/redcarpet,be9/redcarpet,emq/redcarpet,kaneshin/redcarpet,JuanitoFatas/redcarpet,kattybilly/redcarpet,gitcafe-dev/redcarpet,fukayatsu/redcarpet,fukayatsu/redcarpet,liquorburn/redcarpet,fukayatsu/redcarpet,liquorburn/redcarpet,be9/redcarpet,Hacker0x01/redcarpet,JuanitoFatas/redcarpet,gitcafe-dev/redcarpet,increments/greenmat,vmg/redcarpet,vmg/redcarpet,increments/greenmat,emq/redcarpet,be9/redcarpet,kaneshin/redcarpet