Remove old ssl compatibility code

modules/schat.cpp

@@ -25,13 +25,6 @@
 #include <znc/User.h>
 #include <znc/IRCNetwork.h>
 
-#ifndef HAVE_SSL_SESSION_get0_cipher
-/* SSL_SESSION was made opaque in OpenSSL 1.1.0, cipher accessor was added 2
-weeks before the public release.
-See openssl/openssl@e92813234318635639dba0168c7ef5568757449b. */
-# define SSL_SESSION_get0_cipher(pSession) ((pSession)->cipher)
-#endif
-
 using std::pair;
 using std::stringstream;
 using std::map;