remove: delete initial_hal implementation, update moisture sensor logic to handle optional raw values, optimize TWAI management, and improve CAN data handling

Software/MainBoard/rust/src/webserver/post_json.rs

@@ -130,11 +130,11 @@ where
     T: Read + Write,
 {
     let actual_data = read_up_to_bytes_from_request(request, None).await?;
-    let pump_test: CanPower = serde_json::from_slice(&actual_data)?;
+    let can_power_request: CanPower = serde_json::from_slice(&actual_data)?;
     let mut board = BOARD_ACCESS.get().await.lock().await;
 
-    let config = &board.board_hal.can_power(pump_test.state).await?;
-    let enable = pump_test.state;
+    board.board_hal.can_power(can_power_request.state).await?;
+    let enable = can_power_request.state;
     info!(
         "set can power to {enable}"
     );