[No QA] Remove front-end workaround for authWrites issue

[roryabraham]

Details

Not sure how this slipped through, but this is a front-end hack that was bypassing an back-end problem, that I fixed in https://github.com/Expensify/Web-Expensify/pull/42771. This is on HOLD for that in the meantime.

Fixed Issues

n/a - found when investigating #43196

Tests

None.

• Verify that no errors appear in the JS console

Offline tests

None.

QA Steps

None.

• Verify that no errors appear in the JS console

PR Author Checklist

• I linked the correct issue in the ### Fixed Issues section above
• I wrote clear testing steps that cover the changes made in this PR
  • I added steps for local testing in the Tests section
  • I added steps for the expected offline behavior in the Offline steps section
  • I added steps for Staging and/or Production testing in the QA steps section
  • I added steps to cover failure scenarios (i.e. verify an input displays the correct error message if the entered data is not correct)
  • I turned off my network connection and tested it while offline to ensure it matches the expected behavior (i.e. verify the default avatar icon is displayed if app is offline)
  • I tested this PR with a High Traffic account against the staging or production API to ensure there are no regressions (e.g. long loading states that impact usability).
• I included screenshots or videos for tests on all platforms
• I ran the tests on all platforms & verified they passed on:
  • Android: Native
  • Android: mWeb Chrome
  • iOS: Native
  • iOS: mWeb Safari
  • MacOS: Chrome / Safari
  • MacOS: Desktop
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  • The file has a description of what it does and/or why is needed at the top of the file if the code is not self explanatory
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• If the main branch was merged into this PR after a review, I tested again and verified the outcome was still expected according to the Test steps.

Screenshots/Videos

Android: Native

Android: mWeb Chrome

iOS: Native

iOS: mWeb Safari

MacOS: Chrome / Safari

MacOS: Desktop

[melvin-bot]

@ Please copy/paste the Reviewer Checklist from here into a new comment on this PR and complete it. If you have the K2 extension, you can simply click: [this button]

[roryabraham]

@johnmlee101 tagged you for review since you were auto-assigned for https://github.com/Expensify/Web-Expensify/pull/42771

[johnmlee101]

whats the latest here?

[roryabraham]

whoops, forgot about this one. We can proceed now

[roryabraham]

@johnmlee101 no rush, but this is ready for review + merge any time now

[OSBotify]

✋ This PR was not deployed to staging yet because QA is ongoing. It will be automatically deployed to staging after the next production release.