remove unused as/from buffer_offset methods

bark-protocol/src/time.rs

@@ -1,6 +1,6 @@
 use crate::packet;
 use crate::types::TimestampMicros;
-use crate::{SAMPLE_RATE, FRAMES_PER_PACKET, CHANNELS};
+use crate::{SAMPLE_RATE, FRAMES_PER_PACKET};
 
 /// A timestamp with implicit denominator SAMPLE_RATE
 #[derive(Debug, Copy, Clone, PartialEq, Eq, PartialOrd, Ord)]
@@ -81,18 +81,6 @@ impl SampleDuration {
  core::time::Duration::from_micros(usecs)
  }
 
- pub fn as_buffer_offset(&self) -> usize {
- let offset = self.0 * u64::from(CHANNELS);
- usize::try_from(offset).unwrap()
- }
-
- pub fn from_buffer_offset(offset: usize) -> Self {
- let channels = usize::from(CHANNELS);
- assert!(offset % channels == 0);
-
- SampleDuration(u64::try_from(offset / channels).unwrap())
- }
-
  pub fn add(&self, other: SampleDuration) -> Self {
  SampleDuration(self.0.checked_add(other.0).unwrap())
  }