feat: Add asset deletion endpoint to project proto

[arsenetar]

• Add endpoint to allow deletion of one or more project assets
• Regenerate language implementations

[sonarcloud[bot]]

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[arsenetar]

In the case of an error the status code and details will indicate the issue, response is nil unless there is partial success (in this case deleted some of the requested items but not all) in that case a partial listing will be present along with the error status.