Remove DDXTIME code

This hasn't been used since xorg-server 1.1 so get rid of it.

unix/xserver/hw/vnc/xvnc.c

@@ -647,17 +647,6 @@ ddxProcessArgument(int argc, char *argv[], int i)
     return 0;
 }
 
-#ifdef DDXTIME                  /* from ServerOSDefines */
-CARD32
-GetTimeInMillis()
-{
-    struct timeval tp;
-
-    X_GETTIMEOFDAY(&tp);
-    return (tp.tv_sec * 1000) + (tp.tv_usec / 1000);
-}
-#endif
-
 static DevPrivateKeyRec cmapScrPrivateKeyRec;
 
 #define cmapScrPrivateKey (&cmapScrPrivateKeyRec)