[MIPS] IP22: Remove SYS_SUPPORTS_SMP test code.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>

arch/mips/Kconfig

@@ -596,7 +596,6 @@ config SGI_IP22
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select SYS_SUPPORTS_SMP
 	help
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