Fix conflicts rebasing eip4844

common/slot_clock/src/system_time_slot_clock.rs

@@ -67,12 +67,6 @@ impl SlotClock for SystemTimeSlotClock {
     }
 }
 
-impl From<ManualSlotClock> for SystemTimeSlotClock {
-    fn from(clock: ManualSlotClock) -> Self {
-        SystemTimeSlotClock { clock }
-    }
-}
-
 #[cfg(test)]
 mod tests {
     use super::*;