[PATCH i-g-t v2 1/2] tests/intel/xe_oa: Remove unused function arguments

[Dixit, Ashutosh]

On Sun, 05 Jan 2025 19:46:37 -0800, Sai Teja Pottumuttu wrote:
>
> The oa_exponent argument is unused in oa_report_is_periodic
> function. Thus remove it.

Reviewed-by: Ashutosh Dixit <ashutosh.dixit at intel.com>