test(credential-ld): remove expired credential from test fixtures.

[mirceanis]

What issue is this PR fixing

This cleans some of the test cases relating to credentials from the wild, leading to test failures for #1175 and #1176

Quality

Check all that apply:

• I want these changes to be integrated
• I successfully ran pnpm i, pnpm build, pnpm test, pnpm test:browser locally.
• I allow my PR to be updated by the reviewers (to speed up the review process).
• I added unit tests.
• I added integration tests.

[codecov]

Codecov Report

Patch coverage: 85.55% and project coverage change: +4.89 🎉

Comparison is base (125bf42) 80.25% compared to head (6f852e5) 85.14%.

Additional details and impacted files

@@            Coverage Diff             @@
##             next    #1177      +/-   ##
==========================================
+ Coverage   80.25%   85.14%   +4.89%     
==========================================
  Files         118      154      +36     
  Lines        4056    15890   +11834     
  Branches      875     1677     +802     
==========================================
+ Hits         3255    13530   +10275     
- Misses        798     2360    +1562     
+ Partials        3        0       -3     

Impacted Files	Coverage Δ
packages/core-types/src/coreEvents.ts	100.00% <ø> (ø)
...s/credential-ld/src/module-types/jsonld/index.d.ts	0.00% <0.00%> (ø)
packages/data-store-json/src/data-store-json.ts	91.55% <ø> (+6.44%)	⬆️
...ckages/data-store-json/src/identifier/did-store.ts	92.52% <ø> (+3.16%)	⬆️
...ckages/data-store-json/src/identifier/key-store.ts	86.84% <ø> (+10.37%)	⬆️
...ata-store-json/src/identifier/private-key-store.ts	94.11% <ø> (+5.48%)	⬆️
packages/data-store-json/src/index.ts	100.00% <ø> (ø)
packages/data-store-json/src/types.ts	0.00% <ø> (ø)
packages/data-store/src/data-store-orm.ts	90.39% <ø> (+17.25%)	⬆️
packages/data-store/src/data-store.ts	97.24% <ø> (-0.26%)	⬇️
... and 77 more

... and 67 files with indirect coverage changes

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