The only callers of this function were reaching into RSA internals.
We cannot fix all the issues with RSA state management when callers do
this. Those have since been fixed, so unexport this function.
Update-Note: This removes a function that can only be used by accessing
one of BoringSSL's private locks.
Change-Id: I0f067b5650ead38d2dbb7302bad4ddd0b2512458
Reviewed-on: https://boringssl-review.googlesource.com/c/boringssl/+/56286
Reviewed-by: Bob Beck <bbe@google.com>
Auto-Submit: David Benjamin <davidben@google.com>
Commit-Queue: David Benjamin <davidben@google.com>
Commit-Queue: Bob Beck <bbe@google.com>