Try and work around problem in docs to get it building again

Chang routine's to methods.

doc/Type/Cool.pod6

@@ -858,7 +858,7 @@ C<$pattern> is applied to the remaining characters of C<$string>.
     say "perL 6".samecase("A__a__"); # Perl 6
     say "pERL 6".samecase("Ab");     # Perl 6
 
-=head2 routine uniprop
+=head2 method uniprop
 
 Defined as:
     sub uniprop(Str(Cool), |c)
@@ -877,7 +877,7 @@ Returns a Bool for Boolean properties.
     say 'a'.uniprop('Alphabetic'); # True
     say '1'.uniprop('Alphabetic'); # False
 
-=head2 routine uniprops
+=head2 method uniprops
 
 Defined as:
     sub uniprops(Str:D $str, Stringy:D $propname = "General_Category")
@@ -889,7 +889,7 @@ L<General Category|https://en.wikipedia.org/wiki/Unicode_character_property#Gene
 Returns a Bool for Boolean properties. Similar to L<uniprop|/routine/uniprop>
 
 
-=head2 routine uniname
+=head2 method uniname
 
 Defined as:
 
@@ -910,7 +910,7 @@ L<uninames|#routine_uninames> for a routine that works with multiple codepoints.
     say (0..0x1FFFF).sort(*.uniname.chars)[*-1].chr.uniname;
     # «ARABIC LIGATURE UIGHUR KIRGHIZ YEH WITH HAMZA ABOVE WITH ALEF MAKSURA INITIAL FORM␤»
 
-=head2 routine uninames
+=head2 method uninames
 
 Defined as: