Cleanup isFrozen

[Mang0codes]

Issue number

Relevant issue number

• Resolves #988

Please check the following

• [ ] Do the tests still pass? (see Run the Tests)
• [ ] Is the code formatted properly? (see Linting (Formatting))
• For New Features:
  • [ ] Have tests been added to cover any new features or fixes?
  • [ ] Has the documentation been updated accordingly?

Please describe additional details for testing this change

Removed gameStore.player.frozenId === card.id from the isFrozen check. Removed frozenId from the user model.

[Haviles04]

Hey! Nice work and thanks for your contribution! Unfortunately this PR can't be merged until we complete and merge our new API. This will be helpful when we are ready though!