Eliminates a (possibly misleading) example

Author: JJ

doc/Language/typesystem.pod6

@@ -776,7 +776,7 @@ Defined as:
 Returns the list of enum-pairs. Works both on the enum type and any key.
 
     enum Mass ( mg => 1/1000, g => 1/1, kg => 1000/1 );
-    say Mass.enums, g.enums; # OUTPUT: «{g => 1, kg => 1000, mg => 0.001}{g => 1, kg => 1000, mg => 0.001}␤»
+    say Mass.enums; # OUTPUT: «{g => 1, kg => 1000, mg => 0.001}␤»
 
 =head4 method key