Input: elants_i2c - drop zero-checking of ABS_MT_TOUCH_MAJOR resolution

Drop unnecessary zero-checking of ABS_MT_TOUCH_MAJOR resolution since
there is no difference between setting resolution to 0 vs not setting
it at all. This change makes code cleaner a tad.
Suggested-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>
Signed-off-by: Dmitry Osipenko <digetx@gmail.com>
Link: https://lore.kernel.org/r/20210328235507.19240-1-digetx@gmail.comSigned-off-by: Dmitry Torokhov <dmitry.torokhov@gmail.com>

drivers/input/touchscreen/elants_i2c.c

@@ -1449,8 +1449,7 @@ static int elants_i2c_probe(struct i2c_client *client,
 
 	input_abs_set_res(ts->input, ABS_MT_POSITION_X, ts->x_res);
 	input_abs_set_res(ts->input, ABS_MT_POSITION_Y, ts->y_res);
-	if (ts->major_res > 0)
-		input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, ts->major_res);
+	input_abs_set_res(ts->input, ABS_MT_TOUCH_MAJOR, ts->major_res);
 
 	error = input_mt_init_slots(ts->input, MAX_CONTACT_NUM,
 				    INPUT_MT_DIRECT | INPUT_MT_DROP_UNUSED);