[py] added more detailed docstring in _IeOptionsDescriptor class.

[sandeepsuryaprasad]

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Description

Added more detailed and descriptive docstring to _IeOptionsDescriptor class in ie/options.py

Motivation and Context

• Added more detailed and descriptive docstring to _IeOptionsDescriptor class in ie/options.py
• Also, I have fixed linting issue in remote/remote_connection.py. (this was broken in PR 11957)

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• [] New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist

• I have read the contributing document.
• [] My change requires a change to the documentation.
• [] I have updated the documentation accordingly.
• [] I have added tests to cover my changes.
• All new and existing tests passed.