This diff removes the old legacy API methods from the Tunnelbroker API including the proto file and calls from the native codebase.
Old legacy API methods that should be removed:
- CheckIfPrimaryDeviceOnline
- BecomeNewPrimaryDevice
- SendPong
These methods were added prior 0.1 and are not used anymore.
These diff changes take place in the photobuff file and the native C++ network client-related codebase.
Linear task: [[ https://linear.app/comm/issue/ENG-1334/remove-the-old-api-from-the-tunnelbroker-protobuf-file-and-empty-grpc | ENG-1334 ]]