Review the list of files published to npm

[mmv08]

Currently, the list of files includes a non-existing folder, tests, and a typescript deployments file alongside the javascript deployments one. It's unclear why publishing those is required, so the goal of this ticket is to revisit the list and optimize it.

https://github.com/safe-global/safe-core-protocol/blob/main/package.json#L12-L19