emulators/wine-devel: Account for bundled png library

Since version 6.20 Wine bundles its own copy of libpng.

The --with-png configure option became a no-op, so remove it, and also
remove the dependency on our own graphics/png port.

Approved by:	maintainer (pre-approval)

emulators/wine-devel/Makefile

@@ -2,7 +2,7 @@
 
 PORTNAME=	wine
 DISTVERSION=	6.20
-PORTREVISION=	1
+PORTREVISION=	2
 PORTEPOCH=	1
 CATEGORIES=	emulators
 MASTER_SITES=	SF/${PORTNAME}/Source \
@@ -109,13 +109,12 @@ V4L_LIB_DEPENDS=	libv4l2.so:multimedia/libv4l
 
 WINEMAKER_RUN_DEPENDS=	p5-XML-LibXML>0:textproc/p5-XML-LibXML
 
-X11_CONFIGURE_WITH=	x cms fontconfig freetype jpeg opengl png vkd3d xinerama xinput2 xrandr xrender
+X11_CONFIGURE_WITH=	x cms fontconfig freetype jpeg opengl vkd3d xinerama xinput2 xrandr xrender
 X11_USES=		gl jpeg xorg
 X11_USE=		GL=glu XORG=x11,xext,xcomposite,xcursor,xi,xinerama,xrandr,xrender
 X11_LIB_DEPENDS=	libfontconfig.so:x11-fonts/fontconfig \
 			libfreetype.so:print/freetype2 \
 			liblcms2.so:graphics/lcms2 \
-			libpng.so:graphics/png \
 			libvulkan.so:graphics/vulkan-loader \
 			libvkd3d.so:graphics/vkd3d