KotlinInfo now has only one parameter data

Name table is now also stored in data, before the serialized class.
ClassData is now public, since it's used in plenty of places as a holder of
deserialized protobuf classes.

runtime/src/jet/KotlinInfo.java

@@ -22,6 +22,4 @@ import java.lang.annotation.RetentionPolicy;
 @Retention(RetentionPolicy.RUNTIME)
 public @interface KotlinInfo {
     byte[] data();
-
-    byte[] nameTable();
 }