Revert "simpleperf: add temporary work around for debug interface change."

This reverts commit 95d8395bcaf09d7079fe0fbbf7514631990ae47d.

The workaround isn't needed after
https://android-review.googlesource.com/c/platform/art/+/1156360.

Bug: none
Test: run simpleperf_unit_test.
Change-Id: I2ec6abbd2cdf48329b3a2bd8c100283afa5dda4a
2 files changed