stop running playwright tests

[christianvogt]

Step one in addressing https://issues.redhat.com/browse/RHOAIENG-1923

Description

This is the first step in removing playwright.
To keep things simple, this PR only removes playwright from running when we run frontend tests.

Followup PRs will remove the playwright dependencies and other related files.

How Has This Been Tested?

npm run test

Test Impact

Playwright tests have been migrated to cypress.

Request review criteria:

Self checklist (all need to be checked):

• The developer has manually tested the changes and verified that the changes work
• Commits have been squashed into descriptive, self-contained units of work (e.g. 'WIP' and 'Implements feedback' style messages have been removed)
• Testing instructions have been added in the PR body (for PRs involving changes that are not immediately obvious).
• The developer has added tests or explained why testing cannot be added (unit tests & storybook for related changes)

If you have UI changes:

• Included any necessary screenshots or gifs if it was a UI change.
• Included tags to the UX team if it was a UI/UX change (find relevant UX in the SMEs section).

After the PR is posted & before it merges:

• The developer has tested their solution on a cluster by using the image produced by the PR to main

[christianvogt]

See pull request test run to observe playwright tests are no longer run in comparison to other PRs.

[jpuzz0]

/lgtm

[openshift-ci]

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[openshift-ci]

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