We might be able to drop "source-map-support" as a dependency

[toolness]

For more details, see https://github.com/JustFixNYC/tenants2/issues/2064#issuecomment-828702804.

Before dropping it as a dependency, we should make sure that Node still reports correct line numbers for both uncaught exceptions, as well as--ideally--the Error.prototype.stack property.