Remove apollo support

cde/programs/dtstyle/Backdrop.c

@@ -47,17 +47,12 @@
 #include <sys/types.h>
 #include <errno.h>
 
-#if defined(_AIX) || defined(__apollo)
+#if defined(_AIX)
 #include <sys/dir.h>
 #else
 #include <dirent.h>             /* opendir(), directory(3C) */
 #endif /* _AIX */
 
-#ifdef __apollo
-#include <X11/apollosys.h>      /* needed for S_ISDIR macro */
-#endif
-
-
 #include <locale.h>
 #include <X11/Xlib.h>
 #include <Xm/MwmUtil.h>

cde/programs/dtstyle/ColorFile.c

@@ -49,17 +49,11 @@
 
 #ifdef __hpux
 #include <ndir.h>               /*   opendir(), directory(3C) */
-#else
-#if defined(SVR4) || defined(sco) || defined(CSRG_BASED)
+#elif defined(SVR4) || defined(CSRG_BASED)
 #include <dirent.h>             /* opendir(), directory(3C) */
 #else
 #include <sys/dir.h>
-#ifdef __apollo
-#include <X11/apollosys.h>      /* needed for S_ISDIR macro */
 #endif
-#endif
-#endif
-
 
 #include <Xm/Xm.h>
 

cde/programs/dtstyle/ColorMain.c

@@ -40,11 +40,7 @@
 /*+++++++++++++++++++++++++++++++++++++++*/
 /* include files                         */
 /*+++++++++++++++++++++++++++++++++++++++*/
-#ifdef __apollo
-#include  "/sys5/usr/include/limits.h"
-#else  /* common default */
 #include <limits.h>
-#endif /* __apollo */
 
 #include <locale.h>
 #include <stdlib.h>