counter: ti-eqep: remove unused struct member

Since commit 8817c2d ("counter: ti-eqep: Convert to counter_priv()
wrapper") the counter field in struct ti_eqep_cnt is not used anymore.
Remove it.

Signed-off-by: David Lechner <[email protected]>
Reviewed-by: Judith Mendez <[email protected]>
Link: https://lore.kernel.org/r/[email protected]
Signed-off-by: William Breathitt Gray <[email protected]>

Author: dlech

drivers/counter/ti-eqep.c

@@ -122,7 +122,6 @@ enum ti_eqep_count_func {
 };
 
 struct ti_eqep_cnt {
-	struct counter_device counter;
 	struct regmap *regmap32;
 	struct regmap *regmap16;
 };