Remove incorrect everest tests

[eivindjahren]

Issue
Resolves 🔥

Approach

🚒

• PR title captures the intent of the changes, and is fitting for release notes.
• Added appropriate release note label
• Commit history is consistent and clean, in line with the contribution guidelines.
• Make sure unit tests pass locally after every commit (git rebase -i main --exec 'pytest tests/ert/unit_tests -n logical -m "not integration_test"')

When applicable

• When there are user facing changes: Updated documentation
• New behavior or changes to existing untested code: Ensured that unit tests are added (See Ground Rules).
• Large PR: Prepare changes in small commits for more convenient review
• Bug fix: Add regression test for the bug
• Bug fix: Create Backport PR to latest release

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 91.38%. Comparing base (0ed17db) to head (2fdfa1a).
Report is 1 commits behind head on version-11.0.

Additional details and impacted files

@@               Coverage Diff                @@
##           version-11.0    #9039      +/-   ##
================================================
- Coverage         91.41%   91.38%   -0.03%     
================================================
  Files               343      343              
  Lines             21335    21335              
================================================
- Hits              19504    19498       -6     
- Misses             1831     1837       +6     

Flag	Coverage Δ
cli-tests	38.96% <ø> (-0.01%)	⬇️
gui-tests	72.41% <ø> (ø)
performance-tests	49.26% <ø> (+0.01%)	⬆️
unit-tests	79.99% <ø> (-0.02%)	⬇️

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