libXvMC: remove autoconf leftovers

Author: 0-wiz-0

x11/libXvMC/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.25 2026/01/26 10:34:35 wiz Exp $
+# $NetBSD: Makefile,v 1.26 2026/02/08 06:57:59 wiz Exp $
 
 DISTNAME=		libXvMC-1.0.15
 CATEGORIES=		x11
@@ -20,7 +20,6 @@ PKGCONFIG_OVERRIDE_STAGE=	post-configure
 
 X11_LIB_NAME?=		libXvMC
 .include "../../meta-pkgs/modular-xorg/avoid-duplicate.mk"
-.include "../../meta-pkgs/modular-xorg/hacks.mk"
 .include "../../devel/meson/build.mk"
 BUILDLINK_API_DEPENDS.libX11+=	libX11>=1.6
 .include "../../x11/libX11/buildlink3.mk"