Remove code relevant to OpenSSL 0.9.6 in be/fe-secure-openssl.c
HEAD supports OpenSSL 0.9.8 and newer versions, and this code likely got
forgotten as its surrounding comments mention an incorrect version
number.
Author: Michael Paquier
Reviewed-by: Peter Eisentraut
Discussion: https://postgr.es/m/
20190927032311.GB8485@paquier.xyz