[Intel-gfx] [PATCH i-g-t 09/11] tests/perf: remove unused frequency functions

[Chris Wilson]

Quoting Lionel Landwerlin (2017-08-04 12:20:38)
> Now that we've found that frequency changes happen mostly outside of
> our control and don't seem to be following our requests through sysfs,
> let's drop a bunch code/variables.

Pardon?
-Chris