[RESEND 07/10] regulator: cpcap-regulator: Remove declared and set, but never used variable 'ignore'

[Tony Lindgren]

* Lee Jones <lee.jones at linaro.org> [200625 19:18]:
> It's okay to not check the return value that you're not conserned
> about, however it is not okay to assign a variable and not check or
> use the result.
> 
> Fixes W=1 warnings(s):
> 
>  drivers/regulator/cpcap-regulator.c:172:13: warning: variable ‘ignore’ set but not used [-Wunused-but-set-variable]
>  172 | int error, ignore;
>  | ^~~~~~
>  drivers/regulator/cpcap-regulator.c: In function ‘cpcap_regulator_disable’:
>  drivers/regulator/cpcap-regulator.c:196:13: warning: variable ‘ignore’ set but not used [-Wunused-but-set-variable]
>  196 | int error, ignore;

Acked-by: Tony Lindgren <tony at atomide.com>