[native/rust_library] Revert: Adding openssl, base64, anyhow dependencies"

Summary:
This diff reverts the D6079 changes because of GitHub Actions iOS build fails with the unsupported architecture error.

Linear task: ENG-2643

Test Plan: No test plan.

Reviewers: ashoat, tomek

Reviewed By: ashoat, tomek

Subscribers: ashoat, tomek, atul

Differential Revision: https://phab.comm.dev/D6173