[DOC] Remove duplicate doc

RDoc does not consider preprocessor conditionals, but equally uses
both documents of `#if` and `#else` sides.

Author: nobu

ext/openssl/ossl.c

@@ -1179,15 +1179,12 @@ Init_openssl(void)
      */
     rb_define_const(mOSSL, "OPENSSL_VERSION", rb_str_new2(OPENSSL_VERSION_TEXT));
 
-#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000
     /*
-    * Version of OpenSSL the ruby OpenSSL extension is running with
-    */
+     * Version of OpenSSL the ruby OpenSSL extension is running with
+     */
+#if !defined(LIBRESSL_VERSION_NUMBER) && OPENSSL_VERSION_NUMBER >= 0x10100000
     rb_define_const(mOSSL, "OPENSSL_LIBRARY_VERSION", rb_str_new2(OpenSSL_version(OPENSSL_VERSION)));
 #else
-    /*
-    * Version of OpenSSL the ruby OpenSSL extension is running with
-    */
     rb_define_const(mOSSL, "OPENSSL_LIBRARY_VERSION", rb_str_new2(SSLeay_version(SSLEAY_VERSION)));
 #endif