MR !803 Thread #18: Remove unnecessary empty __init__ methods

Remove empty __init__(self) -> None: pass from:
- ShowProfiles in foundation/show.py
- ShowInterfaceNoProfile in show.py

Python provides a default __init__ when none is defined,
making these empty implementations redundant.

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Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>