Remove method swap in DTLS_ANY_VERSION.

DTLS_method() can now negotiate versions without switching methods.

Change-Id: I0655b3221b6e7e4b3ed4acc45f1f41c594447021
Reviewed-on: https://boringssl-review.googlesource.com/2582
Reviewed-by: Adam Langley <agl@google.com>
3 files changed