Remove hpversion.h from repository

This patch removes hpversion.h from the repository, this also untangles a
lot of ifdef mess. This closes bug CDExc19524.

cde/lib/DtHelp/Imakefile

@@ -78,7 +78,7 @@ SRCS1 = \
         HyperText.c     JpegUtils.c     Messages.c \
         PathArea.c      Print.c         Resize.c \
         SetList.c       VolSelect.c     XInterface.c \
-        XUICreate.c     XbmUtils.c      version.c
+        XUICreate.c     XbmUtils.c
 
 OBJS1 = \
         Actions.o       AsciiSpc.o      Callbacks.o \
@@ -91,7 +91,7 @@ OBJS1 = \
         HyperText.o     JpegUtils.o     Messages.o \
         PathArea.o      Print.o         Resize.o \
         SetList.o       VolSelect.o     XInterface.o \
-        XUICreate.o     XbmUtils.o      version.o
+        XUICreate.o     XbmUtils.o
 
 SRCS2 = \
         Access.c        AccessCCDF.c    AccessSDL.c \