See #3841 #3857

simplify the X<> for $*COLLATION

doc/Type/Any.pod6

@@ -1437,7 +1437,7 @@ my %hash = 'aa' => 'value', 'Za' => 'second';
 say %hash.collate; # (aa => value Za => second);
 =end code
 
-This method is affected by the X<B<$*COLLATION>|$*COLLATION> variable, which
+This method is affected by the X<$*COLLATION> variable, which
 configures the four X<collation levels>. While the Primary, Secondary and
 Tertiary mean different things for different scripts, for the Latin script used
 in English they mostly correspond with Primary being Alphabetic, Secondary being