Revert "Fix off-by-one errors in ssl_cipher_get_evp()"

This reverts commit abfb989fe0b749ad61f1aa4cdb0ea4f952fc13e0.

Incorrect attribution
Fix off-by-one errors in ssl_cipher_get_evp()

In the ssl_cipher_get_evp() function, fix off-by-one errors in index validation before accessing arrays.

Bug discovered and fixed by Miod Vallat from the OpenBSD team.

PR#3375