Remove unnecessary field initializations.

SSL_CTX gets memset to zero, so many of the values needn't be explicitly
initialized.

Change-Id: I0e707a0dcc052cd6f0a5dc8d037400170bd75594
Reviewed-on: https://boringssl-review.googlesource.com/5812
Reviewed-by: Adam Langley <agl@google.com>
1 file changed