Remove old windows support

cde/config/util/Imakefile

@@ -7,18 +7,10 @@ MDEP_PROG = makedepend
 EXPORTLISTGEN = exportlistgen
 #endif
 
-#ifdef Win32Architecture
-CMKDIRHIER = mkdirhier.exe
-#endif
-
 PROGRAMS = xmkmf $(MDEP_PROG) mergelib ProgramTargetName(makestrs) $(EXPORTLISTGEN) $(CMKDIRHIER)
 DEPLIBS =
 DEPEND_DEFINES = $(DEPENDDEFINES)
 
-#ifndef Win32Architecture
-  EXTRA_LIBRARIES =
-#endif
-
 XCOMM Some compilers generate fatal errors if an -L directory does
 XCOMM not exist.  Since BUILDLIBDIR may not exist yet suppress its use.
          LDPRELIB =
@@ -45,10 +37,6 @@ SimpleProgramTarget(lndir)
 #endif
 #endif
 
-#ifdef Win32Architecture
-SimpleProgramTarget(mkdirhier)
-#endif
-
 NormalProgramTarget(makestrs,makestrs.o,,,)
 
 InstallNamedProg(xmkmf,xmkmf,$(BINDIR))