textproc/rubygem-cucumber-html-formatter9: Remove obsoleted port

Use textproc/rubygem-cucumber-html-formatter instead.

textproc/rubygem-cucumber-html-formatter9/Makefile

-# Created by: Po-Chuan Hsieh <sunpoet@FreeBSD.org>
-
-PORTNAME=	cucumber-html-formatter
-PORTVERSION=	9.0.0
-CATEGORIES=	textproc rubygems
-MASTER_SITES=	RG
-PKGNAMESUFFIX=	9
-
-MAINTAINER=	sunpoet@FreeBSD.org
-COMMENT=	HTML formatter for Cucumber
-
-LICENSE=	MIT
-
-RUN_DEPENDS=	rubygem-cucumber-messages13>=13.0.1<14:devel/rubygem-cucumber-messages13
-
-USES=		gem
-USE_RUBY=	yes
-
-NO_ARCH=	yes
-
-PLIST_FILES=	bin/cucumber-html-formatter
-
-PORTSCOUT=	limit:^9\.
-
-.include <bsd.port.mk>

textproc/rubygem-cucumber-html-formatter9/distinfo

-TIMESTAMP = 1598029571
-SHA256 (rubygem/cucumber-html-formatter-9.0.0.gem) = ddd356a707dc9da1334f5a3f796c1d252a0db8b355d26f52c2026bdc6ffdf56b
-SIZE (rubygem/cucumber-html-formatter-9.0.0.gem) = 489472

textproc/rubygem-cucumber-html-formatter9/pkg-descr

-Cucumber HTML Formatter is a cross-platform formatter that produces a HTML
-report for Cucumber runs. It is built on top of cucumber-react and works with
-any Cucumber implementation with a protobuf formatter that outputs cucumber
-messages.
-
-WWW: https://github.com/cucumber/common/tree/main/html-formatter/ruby