- cstruct: get rid of unnecessary ocaml-migrate-parsetree dependency
O-M-PT is superseded by ppxlib, which already gets pulled in by the ppx useflag
Signed-off-by: Alain Emilia Anna Zscheile <fogti+devel@ytrizja.de>
Signed-off-by: David Roman <davidroman96@gmail.com>
