Remove deprecated BouncyCastle algorithms

Added a test to verify none of the removed algorithms can't actually be
retrieved, since commenting out upstream code is error prone.

KeyFactory.RSA is still deprecated and not removed since it is in use by
verity.

Bug: 67761667
Test: cts -m CtsLibcoreTestCases
Test: cts -m CtsLibcoreOkHttpTestCases
Test: cts -m CtsLibcoreWycheproofBCTestCases
Test: cts -m CtsLibcoreWycheproofConscryptTestCases
Change-Id: I983b5eeae19eca4404d68ea94765e80a85c35df7
6 files changed