feat(community): add GoogleCalendarDeleteTool

[gbrmaia]

This PR adds a new tool, GoogleCalendarDeleteTool, to the @langchain/community package, enabling users to delete events from their Google Calendar. This completes the basic CRUD operations (Create, Read, Delete) for the Google Calendar integration.

Features:

Delete by ID: Users can delete an event by providing its specific Event ID.

Natural Language Deletion: Users can request deletion using natural language queries (e.g., "delete the meeting with John at 3pm").

Smart Search: If an Event ID is not provided, the tool attempts to find the event based on the summary and time range. If a single event is found, it is deleted. If multiple events are found, the tool asks for clarification. If no events are found, it informs the user.

[changeset-bot]

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Latest commit: be5c053

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