docs: fix duplicate words in pagination docstrings

[chenlichao]

Summary

• Fix duplicate “of” words in pagination return docstrings for models and predictions.

Why this helps

• These docstrings are surfaced to readers and generated/API documentation, so removing the duplicated word makes the descriptions clearer without changing behavior.

Test Plan

• git diff --check
• python3 -m compileall -q replicate/model.py replicate/prediction.py

Signed-off-by: Lichao Chen lichao_chen@outlook.com

[chenlichao]

Closing as superseded by #467, which covers this fix plus collection.py. Thanks for the cleanup!