lib: suppress crypto related env vars in help msg

This commit adds a crypto check to suppress the crypto related
environment variables introduced in Commit
399bb3c9 ("doc: add NODE_DEBUG_NATIVE to API
docs").

Without this check, test/parallel/test-cli-node-print-help.js will fail
when configured --without-ssl, as it some of the descriptions for these
environment variables contain flags that the test is not expecting to find.

PR-URL: https://github.com/nodejs/node/pull/24556


Reviewed-By: Luigi Pinca <luigipinca@gmail.com>
Reviewed-By: Sam Roberts <vieuxtech@gmail.com>
Reviewed-By: Richard Lau <riclau@uk.ibm.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>