refactor(firmware): centralize configuration and diagnostics

firmware/libs/kaptan-mavlink/src/encoder.rs

@@ -81,15 +81,6 @@ impl MavlinkEncoder {
         self.serialize(&heartbeat)
     }
 
-    /// Acknowledges a supported MAVLink command.
-    pub fn command_ack(
-        &mut self,
-        command: message::MavCmd,
-        result: message::MavResult,
-    ) -> MavlinkFrame {
-        self.serialize(&message::COMMAND_ACK_DATA { command, result })
-    }
-
     /// Encodes a standard `RAW_IMU` frame.
     #[cfg(feature = "sensor-telemetry")]
     pub fn raw_imu_snapshot(&mut self, snapshot: &ImuSnapshot) -> MavlinkFrame {