Remove domain param from directories query

[ameesha]

Description

We no longer support querying directories by domain.

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:

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Additional details and impacted files

@@           Coverage Diff           @@
##             main     #230   +/-   ##
=======================================
  Coverage        ?   86.49%           
=======================================
  Files           ?       31           
  Lines           ?     1296           
  Branches        ?        0           
=======================================
  Hits            ?     1121           
  Misses          ?      175           
  Partials        ?        0           

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