Remove "domain" from directory query params

[ameesha]

Description

We no longer support "domain" as a query param moving forward.

Documentation

Does this require changes to the WorkOS Docs? E.g. the API Reference or code snippets need updates.

[ ] Yes

If yes, link a related docs PR and add a docs maintainer as a reviewer. Their approval is required.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 95.53%. Comparing base (2a92fad) to head (03fc89c). Report is 22 commits behind head on main.

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #259   +/-   ##
=======================================
  Coverage   95.53%   95.53%           
=======================================
  Files          42       42           
  Lines         940      940           
=======================================
  Hits          898      898           
  Misses         42       42           

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