remove unused methods [squash]

Author: joostjager

lightning/src/routing/scoring.rs

@@ -517,10 +517,6 @@ impl ChannelLiquidities {
 		self.0.get(short_channel_id)
 	}
 
-	fn get_mut(&mut self, short_channel_id: &u64) -> Option<&mut ChannelLiquidity> {
-		self.0.get_mut(short_channel_id)
-	}
-
 	fn insert(&mut self, short_channel_id: u64, liquidity: ChannelLiquidity) -> Option<ChannelLiquidity> {
 		self.0.insert(short_channel_id, liquidity)
 	}
@@ -532,10 +528,6 @@ impl ChannelLiquidities {
 	fn entry(&mut self, short_channel_id: u64) -> Entry<u64, ChannelLiquidity, RandomState> {
 		self.0.entry(short_channel_id)
 	}
-
-	fn serialized_length(&self) -> usize {
-		self.0.serialized_length()
-	}
 }