Revert "Decode raw messages"

This reverts commit 1cc9cc204a.

app/src/main/java/com/sun/mail/imap/IMAPMessage.java

@@ -913,11 +913,6 @@ public class IMAPMessage extends MimeMessage implements ReadableMime {
 	    return;
 	}
 	InputStream is = getMimeStream();
-	String encoding = getEncoding();
-	if (encoding != null) {
-		eu.faircode.email.Log.e("Decoding raw=" + encoding);
-		is = MimeUtility.decode(is, encoding);
-	}
 	try {
 	    // write out the bytes
 	    byte[] bytes = new byte[16*1024];