Update use of Automattic Tracks iOS to SPM

[charliescheer]

Simplenote iOS is currently using version tracks version 0.13. This works fine but it is really really old and the sentry version included in that version of tracks is causing an error in the project. We should update tracks to the most recent version, but this is gonna cause issues cause we are importing tracks from cocoa pods and the latest version available on cocoa pods is 2, which is also very old. So we should move tracks to SPM so we can get the most recent version of tracks.

This is gonna require a few tasks:

• Add Automattic tracks iOS to SPM
• Remove Automattic tracks iOS from cocoa pods
• This will break stuff, so fix the usage of tracks inside the project to call to the SPM package (fix the errors)

[peril-automattic]

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[charliescheer]

Closing with #1549