Revert "[MIPS] Make SPARSEMEM selectable on QEMU."

This reverts commit 31473747bd441719f9f6a07385684dce547533e0.

Another amazing example of patch(1) messing up - lmo changeset
66e8560d11d02bcadc261498471831a6375ad046 was merged twice to kernel.org
and ended up doing this rubbish job.

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 74ba763..76f1cea 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -427,7 +427,6 @@
 	select SYS_SUPPORTS_32BIT_KERNEL
 	select SYS_SUPPORTS_64BIT_KERNEL
 	select SYS_SUPPORTS_BIG_ENDIAN
-	select ARCH_SPARSEMEM_ENABLE
 	help
 	  The Ocelot is a MIPS-based Single Board Computer (SBC) made by
 	  Momentum Computer <http://www.momenco.com/>.
@@ -1633,9 +1632,6 @@
 
 config ARCH_SPARSEMEM_ENABLE
 	bool
-
-config ARCH_SPARSEMEM_ENABLE
-	bool
 	select SPARSEMEM_STATIC
 
 config NUMA