Remove wrong timestamp correction from diag

lib/src/clock.rs

@@ -10,7 +10,7 @@ use std::sync::RwLock;
 static CLOCK_OFFSET: RwLock<TimeDelta> = RwLock::new(TimeDelta::zero());
 
 /// Get the current clock offset.
-pub fn get_offset() -> TimeDelta {
+fn get_offset() -> TimeDelta {
     *CLOCK_OFFSET.read().unwrap()
 }
 

lib/src/diag.rs

@@ -360,8 +360,7 @@ impl Timestamp {
         let mut delta_seconds = ts_upper as f64 * 1.25;
         delta_seconds += ts_lower as f64 / 40960.0;
         let ts_delta = chrono::Duration::milliseconds(delta_seconds as i64);
-        // Apply global clock offset to adjust for incorrect device time
-        epoch + ts_delta + crate::clock::get_offset()
+        epoch + ts_delta
     }
 }