um: Remove CONFIG_IRQ_RELEASE_METHOD

UML does no longer need CONFIG_IRQ_RELEASE_METHOD.

Signed-off-by: Richard Weinberger <richard@nod.at>
Reviewed-by: Thomas Gleixner <tglx@linutronix.de>
diff --git a/arch/um/Kconfig.common b/arch/um/Kconfig.common
index 20a49ba..43ef890 100644
--- a/arch/um/Kconfig.common
+++ b/arch/um/Kconfig.common
@@ -56,11 +56,6 @@
 	bool
 	default y
 
-# Used in kernel/irq/manage.c and include/linux/irq.h
-config IRQ_RELEASE_METHOD
-	bool
-	default y
-
 config HZ
 	int
 	default 100
diff --git a/arch/um/defconfig b/arch/um/defconfig
index fdc97e2..7823ab1 100644
--- a/arch/um/defconfig
+++ b/arch/um/defconfig
@@ -12,7 +12,6 @@
 CONFIG_GENERIC_CALIBRATE_DELAY=y
 CONFIG_GENERIC_BUG=y
 CONFIG_GENERIC_CLOCKEVENTS=y
-CONFIG_IRQ_RELEASE_METHOD=y
 CONFIG_HZ=100
 
 #