ARM: omap1: drop unused Kconfig symbol

"select ARCH_HAS_HOLES_MEMORYMODEL" was mistakenly merged here
due to a botched rebase (says Arnd [1]).

Drop that line since that symbol is not used anywhere else in the
kernel source tree.

[1] https://lore.kernel.org/all/5e335232-89b4-4c35-93bd-efad7e4d8995@app.fastmail.com/

Fixes: 7036440 ("ARM: omap1: enable multiplatform")
Signed-off-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: Aaro Koskinen <aaro.koskinen@iki.fi>
Link: https://patch.msgid.link/20251230055230.3212260-1-rdunlap@infradead.org
Signed-off-by: Kevin Hilman <khilman@baylibre.com>

Author: rddunlap

arch/arm/mach-omap1/Kconfig

@@ -4,7 +4,6 @@ menuconfig ARCH_OMAP1
 	depends on ARCH_MULTI_V4T || ARCH_MULTI_V5
 	depends on CPU_LITTLE_ENDIAN
 	depends on ATAGS
-	select ARCH_HAS_HOLES_MEMORYMODEL
 	select ARCH_OMAP
 	select CLKSRC_MMIO
 	select FORCE_PCI if PCCARD