zig: Revert changes dependent on new `zed_extension_api` (#14652)

This PR reverts the changes to the Zig extension dependent on the new
`zed_extension_api` version so that we can publish the Zig extension.

Release Notes:

- N/A
f19b51c0b2Marshall Bowers committed on 7/17/2024, 2:40:25 PM· committed by GitHubparent1d2d3b2
3 files changedLine totals unavailable