print/mftrace: Remove commented texmf

After 6 months of commit there were no comments from the maintainer or
any bugs reported about the removal of texmf which means this port does
not use texmf at all.

Sponsored by:	Nepustil
Approved by:    portmgr (blanket)

print/mftrace/Makefile

@@ -19,9 +19,8 @@ BUILD_DEPENDS+=	potrace:graphics/potrace
 RUN_DEPENDS+=	potrace:graphics/potrace
 .endif
 
-# Python3 ready
 USES=		gmake python tex
-USE_TEX=	base # texmf
+USE_TEX=	base
 GNU_CONFIGURE=	yes
 MAKEFILE=	GNUmakefile