ARM: integrator: Drop unneeded select of SPARSE_IRQ

Support for ARM Ltd. Integrator systems depends on ARCH_MULTIPLATFORM.
As the latter selects SPARSE_IRQ, there is no need for ARCH_INTEGRATOR
to select SPARSE_IRQ.
Signed-off-by: Geert Uytterhoeven <geert+renesas@glider.be>
Cc: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>

arch/arm/mach-integrator/Kconfig

@@ -12,7 +12,6 @@ menuconfig ARCH_INTEGRATOR
 	select POWER_RESET_VERSATILE
 	select POWER_SUPPLY
 	select SOC_INTEGRATOR_CM
-	select SPARSE_IRQ
 	select VERSATILE_FPGA_IRQ
 	help
 	  Support for ARM's Integrator platform.