HID: remove spurious brackets for iCade

Remove spurious brackets in Kconfig for hid-icade.

Signed-off-by: Jiri Kosina <jkosina@suse.cz>
diff --git a/drivers/hid/Kconfig b/drivers/hid/Kconfig
index 813f0fe..f0ac277 100644
--- a/drivers/hid/Kconfig
+++ b/drivers/hid/Kconfig
@@ -267,7 +267,7 @@
 
 config HID_ICADE
 	tristate "ION iCade arcade controller"
-	depends on (BT_HIDP)
+	depends on BT_HIDP
 	---help---
 	Support for the ION iCade arcade controller to work as a joystick.