staging: vc04_services: Get rid of vchiq_arm_vcresume()'s signature

The function implementation does not exist.
Signed-off-by: Nicolas Saenz Julienne <nsaenzjulienne@suse.de>
Link: https://lore.kernel.org/r/20200131103836.14312-21-nsaenzjulienne@suse.deSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/vc04_services/interface/vchiq_arm/vchiq_arm.h

@@ -64,9 +64,6 @@ int vchiq_platform_init(struct platform_device *pdev,
 extern struct vchiq_state *
 vchiq_get_state(void);
 
-extern enum vchiq_status
-vchiq_arm_vcresume(struct vchiq_state *state);
-
 extern enum vchiq_status
 vchiq_arm_init_state(struct vchiq_state *state,
 		     struct vchiq_arm_state *arm_state);