fix ci

[lalitb]

Changes

hyper_tls feature flag is no where defined, but still being used. Removing it to fix the CI failure for it.

error: unexpected `cfg` condition value: `hyper_tls`
   --> opentelemetry-http/src/lib.rs:128:30
    |
128 | #[cfg(any(feature = "hyper", feature = "hyper_tls"))]

Please provide a brief description of the changes here.

Merge requirement checklist

• CONTRIBUTING guidelines followed
• Unit tests added/updated (if applicable)
• Appropriate CHANGELOG.md files updated for non-trivial, user-facing changes
• Changes in public API reviewed (if applicable)