[NFC][sanitizer] Remove SetSoftRssLimitExceededCallback

According comments on D44404, something like that was the goal.

Reviewed By: morehouse, kstoimenov

Differential Revision: https://reviews.llvm.org/D114991

GitOrigin-RevId: 36e6a259c8fc1310099f3480893ed05883311d04
9 files changed