feat: adds amplitude analytics tracking

[watadarkstar]

Description

Removes google analytics tracking in favour of amplitude

Ticket Link

No ticket.

How has this been tested?

• iOS
• Android

  Checklist

  • [ ] Added a "Closes [issue number]" in the ticket link section
  • [ ] You have not changed whitespace unnecessarily (it makes diffs hard to read)
  • [ ] You have commented your code, particularly in hard-to-understand areas
  • [ ] You have performed a self-review of your own code
  • [ ] UI changes: include screenshots of all affected screens

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