Remove obsolete CONFIG_RESOURCES_64BIT

commit 8308c54d7e ("generic: redefine
resource_size_t as phys_addr_t") made CONFIG_RESOURCES_64BIT obsolete, but
didn't remove it. Remove it.

Signed-off-by: Geert Uytterhoeven <geert@linux-m68k.org>
Cc: Jeremy Fitzhardinge <jeremy@goop.org>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

mm/Kconfig

@@ -181,12 +181,6 @@ config MIGRATION
 	  example on NUMA systems to put pages nearer to the processors accessing
 	  the page.
 
-config RESOURCES_64BIT
-	bool "64 bit Memory and IO resources (EXPERIMENTAL)" if (!64BIT && EXPERIMENTAL)
-	default 64BIT
-	help
-	  This option allows memory and IO resources to be 64 bit.
-
 config PHYS_ADDR_T_64BIT
 	def_bool 64BIT || ARCH_PHYS_ADDR_T_64BIT