media: atomisp: get rid of an unused IRQ duplicated event

There are two names for the same IRQ, but just one is used.
Remove the unused one.
Signed-off-by: Mauro Carvalho Chehab <mchehab+huawei@kernel.org>

drivers/staging/media/atomisp/pci/ia_css_irq.h

@@ -56,11 +56,8 @@ enum ia_css_irq_info {
 	/** the css receiver received the end of frame */
 	IA_CSS_IRQ_INFO_CSS_RECEIVER_SOL              = 1 << 4,
 	/** the css receiver received the start of line */
-	IA_CSS_IRQ_INFO_PSYS_EVENTS_READY             = 1 << 5,
+	IA_CSS_IRQ_INFO_EVENTS_READY                  = 1 << 5,
 	/** One or more events are available in the PSYS event queue */
-	IA_CSS_IRQ_INFO_EVENTS_READY = IA_CSS_IRQ_INFO_PSYS_EVENTS_READY,
-	/** deprecated{obsolete version of IA_CSS_IRQ_INFO_PSYS_EVENTS_READY,
-	 * same functionality.} */
 	IA_CSS_IRQ_INFO_CSS_RECEIVER_EOL              = 1 << 6,
 	/** the css receiver received the end of line */
 	IA_CSS_IRQ_INFO_CSS_RECEIVER_SIDEBAND_CHANGED = 1 << 7,