build: rip out obsolete makefiles for obsolete platforms

We don't support DOS/Win32, so these are not needed anymore...

Signed-off-by: Vegard Nossum <vegard.nossum@gmail.com>

src/link/makefile

@@ -1,63 +0,0 @@
-.ERASE
-.EXTENSIONS:
-.EXTENSIONS:	.obj	.c	.h
-
-!ifndef	TARGET
-TARGET	=	DOS
-!endif
-
-!ifeq	TARGET	DOS
-!else
-!ifeq	TARGET	WIN95
-!else
-!error	Invalid TARGET (must be DOS or WIN95)
-!endif
-!endif
-
-!ifeq	TARGET	DOS
-COPT	=	/zp4 /5s /fp3 /d2 /oneatx /i=include /i=.. /wx /bt=dos
-OBJDIR	=	OBJS\
-EXE	=	xlink.exe
-!endif
-!ifeq	TARGET	WIN95
-COPT	=	/zp4 /5s /fp3 /d3 /oneatx /i=include /i=.. /d2 /wx /bt=nt
-OBJDIR	=	OBJS95\
-EXE	=	xlink95.exe
-!endif
-
-C	=	wcc386 $(COPT)
-
-.c:		.
-.h:		include
-.obj:		$(OBJDIR)
-
-OBJS	=	main.obj	object.obj	assign.obj	symbol.obj	&
-		patch.obj	output.obj	mapfile.obj	library.obj
-
-$(EXE)	:	$(OBJS)
-		%create link.lnk
-!ifeq	TARGET	DOS
-		%append link.lnk system pmodew
-!endif
-!ifeq	TARGET	WIN95
-		%append link.lnk system nt
-!endif
-		%append link.lnk option map
-		%append link.lnk option stack=64k
-		%append link.lnk debug watcom all
-		%append link.lnk name $(EXE)
-		for %i in ($(OBJS)) do %append link.lnk file $(OBJDIR)\%i
-		wlink @link.lnk
-!ifeq	TARGET	DOS
-		d:\code\pmodew\pmwsetup /B0 $(EXE)
-!endif
-
-.c.obj	:	.AUTODEPEND
-		$(C) -fo=$(OBJDIR)$^. $[.
-
-clean:		.SYMBOLIC
-		del $(OBJDIR)*.obj
-		del *.err
-		del $(EXE)
-		del *.map
-		del link.lnk