UI: Ember data upgrade prep: cleanup store and lazyPaginatedQuery

[hellobontempo]

Description

Slowly chipping away at cleaning up our manual store. This PR removes stubbed methods unloadAll and unloadRecord which are no longer necessary due to fixes released in ember data 4.12

TODO only if you're a HashiCorp employee

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  • If this fixes a critical security vulnerability or severity 1 bug, it will also need to be backported to the current LTS versions of Vault. To ensure this, use all available enterprise labels.
• ENT Breakage: If this PR either 1) removes a public function OR 2) changes the signature
  of a public function, even if that change is in a CE file, double check that
  applying the patch for this PR to the ENT repo and running tests doesn't
  break any tests. Sometimes ENT only tests rely on public functions in CE
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[github-actions]

CI Results:
All Go tests succeeded! ✅

[hellobontempo]

✅ enterprise tests

[github-actions]

Build Results:
All builds succeeded! ✅

[Monkeychip]

Nice! thanks for picking away at this.

[hellobontempo]

✅ enterprise passed