staging: unisys: remove leftover __DATE__

Commit 836bee9e ("Staging: unisys: remove references to __DATE__
and __TIME__") removed most; this seems to be an accidental
leftover. VERSIONDATE is not used anywhere.
Signed-off-by: Rasmus Villemoes <linux@rasmusvillemoes.dk>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/unisys/common-spar/include/version.h

@@ -30,7 +30,6 @@
 #define SPARVER4 "0"
 
 #define  VERSION        SPARVER1 "." SPARVER2 "." SPARVER3 "." SPARVER4
-#define  VERSIONDATE    __DATE__
 
 /* Here are various version forms needed in Windows environments.
  */