Minor code cleanup

[sergei-encord]

Small code cleanup, no functional changes

Summary by CodeRabbit

### Refactor:
- Simplified the `list_collaborator_timers` function in `project.py` to directly yield results, improving readability and performance.
- Optimized the `__get_recursive_image_paths` method in `user_client.py` by replacing a loop and an if condition with a list comprehension for better efficiency.

> 🎉 With every refactor, we soar,
> Code now cleaner than before. 
> Loops and conditions take their leave,
> In simplicity, we believe! 🚀

[github-actions]

CodeRabbit

Walkthrough

The code cleanup focused on simplifying and optimizing the existing code without altering its functionality. The changes primarily involved replacing traditional loops with more efficient constructs like yield from and list comprehensions, resulting in cleaner and more readable code.

Changes

Files	Summary
encord/objects/ontology_labels_impl.py	Removed unnecessary code to improve readability.
encord/project.py	Simplified the list_collaborator_timers function by replacing a for loop with the yield from statement for direct result yielding.
encord/user_client.py	Optimized the __get_recursive_image_paths method by replacing a loop and an if condition with a list comprehension for filtering files.

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[github-actions]

Unit test report

124 tests   113 ✔️  4s ⏱️
    1 suites    11 💤
    1 files        0 ❌

Results for commit a9f949d.

[github-actions]

CodeRabbit

Commits

Files that changed from the base of the PR and between 0db2ca3 and a9f949d commits.

Files selected (3)

• encord/objects/ontology_labels_impl.py (2)
• encord/project.py (1)
• encord/user_client.py (1)

Files skipped from review due to trivial changes (3)

• encord/objects/ontology_labels_impl.py
• encord/project.py
• encord/user_client.py

Review comments generated (0)

• Review: 0
• LGTM: 0