Bug#19209 Test 'rpl_openssl' hangs on Windows

 - Remove the hack to not run it on windows


mysql-test/t/rpl_openssl.test:
  Run on all platforms

mysql-test/t/rpl_openssl.test

-# TODO: THIS TEST DOES NOT WORK ON WINDOWS
-#       This should be fixed.
---source include/not_windows.inc
-
 source include/have_openssl.inc;
 source include/master-slave.inc;