Input: tsc2007 - remove unused poll_delay from platform data

The driver does not use poll_delay parameter, so let's remove it.

Tested-by: Denis Carikli <denis@eukrea.com>
Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

include/linux/i2c/tsc2007.h

@@ -7,8 +7,6 @@ struct tsc2007_platform_data {
 	u16	model;				/* 2007. */
 	u16	x_plate_ohms;	/* must be non-zero value */
 	u16	max_rt; /* max. resistance above which samples are ignored */
-	unsigned long poll_delay; /* delay (in ms) after pen-down event
-				     before polling starts */
 	unsigned long poll_period; /* time (in ms) between samples */
 	int	fuzzx; /* fuzz factor for X, Y and pressure axes */
 	int	fuzzy;