Input: remove unused header <linux/input/cy8ctmg110_pdata.h>

Commit 83b41248

 ("Input: cy8ctmg110_ts - switch to using gpiod API")
remove the last use of <linux/input/cy8ctmg110_pdata.h> but left the header
file behind.  Nothing uses it now, delete it.

Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/20211102220203.940290-6-corbet@lwn.net


Signed-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>