HAVE_ARCH_HARDENED_USERCOPY is unconditional now

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>

arch/ia64/Kconfig

@@ -52,7 +52,6 @@ config IA64
 	select MODULES_USE_ELF_RELA
 	select ARCH_USE_CMPXCHG_LOCKREF
 	select HAVE_ARCH_AUDITSYSCALL
-	select HAVE_ARCH_HARDENED_USERCOPY
 	default y
 	help
 	  The Itanium Processor Family is Intel's 64-bit successor to