[Truffle] Untagged specs passing now due to some improvements in jcodings.

Author: nirvdrum

spec/truffle/tags/core/encoding/dummy_tags.txt

@@ -1,2 +1 @@
-fails(inherited):Encoding#dummy? returns true for dummy encodings
 windows:Encoding#dummy? returns true for dummy encodings

spec/truffle/tags/core/string/delete_tags.txt

@@ -5,12 +5,10 @@ fails:String#encode when passed to, from, options calls #to_str to convert the f
 fails:String#encode when passed to, from, options calls #to_hash to convert the options object
 fails:String#encode given the :xml => :text option replaces undefined characters with their upper-case hexadecimal numeric character references
 fails:String#encode given the :xml => :attr option replaces undefined characters with their upper-case hexadecimal numeric character references
-fails:String#encode! when passed to encoding transcodes Japanese multibyte characters
 fails:String#encode! when passed to, options replaces invalid characters in the destination encoding
 fails:String#encode! when passed to, from, options replaces invalid characters in the destination encoding
 fails:String#encode! when passed to, from, options calls #to_str to convert the to object to an encoding
 fails:String#encode! when passed to, from, options calls #to_str to convert the from object to an encoding
 fails:String#encode! when passed to, from, options calls #to_hash to convert the options object
 fails:String#encode! given the :xml => :text option replaces undefined characters with their upper-case hexadecimal numeric character references
 fails:String#encode! given the :xml => :attr option replaces undefined characters with their upper-case hexadecimal numeric character references
-fails:String#encode when passed to encoding transcodes Japanese multibyte characters