devel/qcoro: drop not necessary anymore LLVM from ports on powerpc*

devel/qcoro/Makefile

 PORTNAME=	qcoro
 DISTVERSIONPREFIX=	v
 DISTVERSION=	0.10.0
+PORTREVISION=	1
 CATEGORIES=	devel kde
 PKGNAMESUFFIX=	-${FLAVOR}
 
@@ -33,10 +34,4 @@ PLIST_SUB=	QT_VER=${FLAVOR:S/qt//} \
 		SHORTVER=${DISTVERSION:R:R} \
 		FULLVER=${DISTVERSION}
 
-.include <bsd.port.options.mk>
-
-.if ${ARCH:Mpowerpc*}
-USES+=		llvm:min=16
-.endif
-
 .include <bsd.port.mk>