techdebt(plugin): deprecates the document resolver plugin and its code

[mvilanova]

Summary of Code Changes

incident/flows.py

• Imports Reorganized: Cleaned up and reorganized import statements for better readability.
• Code Removal: Removed commented-out code related to sending suggested reading messages to participants, which was previously disabled due to an issue with the Dispatch resolver plugin.

incident/messaging.py

• Imports Reorganized: Cleaned up and reorganized import statements for better readability.
• Function Removal: Removed the get_suggested_document_items and send_incident_suggested_reading_messages functions, which were responsible for generating and sending suggested reading messages to participants.

plugins/bases/__init__.py

• Plugin Removal: Removed the import statement for DocumentResolverPlugin.

plugins/bases/document_resolver.py

• File Deleted: Removed the document_resolver.py file, which contained the DocumentResolverPlugin class.

plugins/dispatch_core/config.py

• Imports Reorganized: Cleaned up and reorganized import statements for better readability.

plugins/dispatch_core/plugin.py

• Imports Reorganized: Cleaned up and reorganized import statements for better readability.
• Plugin Removal: Removed the DispatchDocumentResolverPlugin class, which was responsible for resolving incident documents using Dispatch.

These changes primarily focus on cleaning up the codebase by removing unused or deprecated functionality related to document resolution and suggested reading messages, as well as improving the organization of import statements for better code readability.

[whitdog47]

Thank you!