fixup! ssl: rework SSLContext#ssl_version=

Author: rhenium

ext/openssl/extconf.rb

@@ -104,11 +104,6 @@ def find_openssl_library
 
 Logging::message "=== Checking for OpenSSL features... ===\n"
 # compile options
-
-# SSLv2 and SSLv3 may be removed in future versions of OpenSSL, and even macros
-# like OPENSSL_NO_SSL2 may not be defined.
-have_func("SSLv2_method")
-have_func("SSLv3_method")
 have_func("RAND_egd")
 engines = %w{builtin_engines openbsd_dev_crypto dynamic 4758cca aep atalla chil
              cswift nuron sureware ubsec padlock capi gmp gost cryptodev aesni}