Removed duplicated paragraph about Versioning and Authorship

Author: Jan-Olof Hendig

doc/Language/typesystem.pod6

@@ -324,17 +324,6 @@ C<trusts>. A forward declaration of the trusted class may be required.
     say B.new.change;
     # OUTPUT«B.new(a => A.new(foo => 42))␤»
 
-=head3 Versioning and Authership
-
-Versioning and authership can be applied via adverbs C«:ver<>» and C«:auth<>».
-Both take a string as argument, for C<:ver> the string is converted to a
-L<Version|/type/Version> object. To query a class version and auther use
-C<.^ver> and C<^.auth>.
-
-    class C:ver<4.2.3>:auth<me@here.local> {}
-    say [C.^ver, C.^auth];
-    # OUTPUT«[v4.2.3 me@here.local]␤»
-
 =head2 C<role>
 
 TODO