sh: Drop broken URAM support on SH7723.

This was copied over from the previous MobileR bits, which doesn't
apply to R2. The URAM block on R2 is recycled for the L2 instead.
Signed-off-by: Paul Mundt <lethal@linux-sh.org>

arch/sh/Kconfig

@@ -281,7 +281,6 @@ config CPU_SUBTYPE_SH7723
 	select CPU_SH4A
 	select CPU_SHX2
 	select ARCH_SPARSEMEM_ENABLE
-	select SYS_SUPPORTS_NUMA
 	help
 	  Select SH7723 if you have an SH-MobileR2 CPU.
 

arch/sh/kernel/cpu/sh4a/setup-sh7723.c

@@ -292,9 +292,3 @@ void __init plat_irq_setup(void)
 {
 	register_intc_controller(&intc_desc);
 }
-
-void __init plat_mem_setup(void)
-{
-	/* Register the URAM space as Node 1 */
-	setup_bootmem_node(1, 0x055f0000, 0x05610000);
-}