Input: iqs7222 - remove support for RF filter

The vendor has marked the RF filter enable control as reserved in
the datasheet; remove it from the driver.

Fixes: e505edae ("Input: add support for Azoteq IQS7222A/B/C")
Signed-off-by: Jeff LaBundy <jeff@labundy.com>
Link: https://lore.kernel.org/r/20220626072412.475211-7-jeff@labundy.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/misc/iqs7222.c

@@ -557,13 +557,6 @@ static const struct iqs7222_prop_desc iqs7222_props[] = {
 		.reg_width = 4,
 		.label = "current reference trim",
 	},
-	{
-		.name = "azoteq,rf-filt-enable",
-		.reg_grp = IQS7222_REG_GRP_GLBL,
-		.reg_offset = 0,
-		.reg_shift = 15,
-		.reg_width = 1,
-	},
 	{
 		.name = "azoteq,max-counts",
 		.reg_grp = IQS7222_REG_GRP_GLBL,