Remove colon (':') from keywords such as "Parameters" and "Remarks" in comments

[kexugit]

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Version

Latest

Describe the bug

Keywords such as "Parameters" and "Remarks" used in comments, if followed by colon (':'), will generate unwanted H1 headers in API reference documents.

See the proper usage in: https://www.sphinx-doc.org/en/master/usage/extensions/example_numpy.html

To Reproduce

1. Source code:

   botbuilder-python/libraries/botbuilder-ai/botbuilder/ai/qna/utils/train_utils.py

   Line 20 in a7ae841

   Parameters:

2. API reference document generated based on the source code: https://review.learn.microsoft.com/en-us/python/api/botbuilder-ai/botbuilder.ai.qna.utils.train_utils.trainutils?branch=sphinx6.1.3-compare&view=botbuilder-py-latest#botbuilder-ai-qna-utils-train-utils-trainutils-call-train

Expected behavior

Remove colon (':') after the keywords (Parameters, Remarks, Returns) in the comments so that they can be rendered properly in API reference documents

Screenshots

If applicable, add screenshots to help explain your problem.

Additional context

https://dev.azure.com/ceapex/Engineering/_workitems/edit/793397