Simplify noop send_message signature

[SaravanakumarR2018]

Motivation

• Avoid a large refactor and keep the change minimal by making the noop tolerate newer kwargs (like skip_db_update) instead of introducing a separate module.
• skip_db_update is sent during agent streaming to avoid repeated DB writes and must be accepted by patched/no-op send_message implementations to prevent runtime errors.

Description

• Restored a local noop in src/lfx/src/lfx/base/tools/component_tool.py named send_message_noop and added a catch-all **_: object parameter so it accepts extra keyword arguments (including skip_db_update).
• Removed the separate module src/lfx/src/lfx/base/tools/send_message_noop.py and the import that referenced it to keep the change minimal.
• The patch_components_send_message and _patch_send_message_decorator logic remain unchanged and now assign the local send_message_noop to the component.

Testing

• No automated tests were executed for this change (no test run requested).

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Codex Task

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