genirq: Remove unused CONFIG_GENERIC_PENDING_IRQ_CHIPFLAGS

CONFIG_GENERIC_PENDING_IRQ_CHIPFLAGS is not used anymore, hence remove it.

Fixes: f94a182 ("genirq: Remove IRQ_MOVE_PCNTXT and related code")
Signed-off-by: Anup Patel <apatel@ventanamicro.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>
Link: https://lore.kernel.org/all/20250209041655.331470-7-apatel@ventanamicro.com

Author: avpatel

kernel/irq/Kconfig

@@ -31,10 +31,6 @@ config GENERIC_IRQ_EFFECTIVE_AFF_MASK
 config GENERIC_PENDING_IRQ
 	bool
 
-# Deduce delayed migration from top-level interrupt chip flags
-config GENERIC_PENDING_IRQ_CHIPFLAGS
-	bool
-
 # Support for generic irq migrating off cpu before the cpu is offline.
 config GENERIC_IRQ_MIGRATION
 	bool