f stop pruning graph on write

Author: TheBlueMatt

lightning/src/routing/network_graph.rs

@@ -740,11 +740,6 @@ const MIN_SERIALIZATION_VERSION: u8 = 1;
 
 impl Writeable for NetworkGraph {
 	fn write<W: Writer>(&self, writer: &mut W) -> Result<(), io::Error> {
-		#[cfg(feature = "std")]
-		{
-			self.remove_stale_channels();
-		}
-
 		write_ver_prefix!(writer, SERIALIZATION_VERSION, MIN_SERIALIZATION_VERSION);
 
 		self.genesis_hash.write(writer)?;
@@ -1072,8 +1067,6 @@ impl NetworkGraph {
 	/// updates every two weeks, the non-normative section of BOLT 7 currently suggests that
 	/// pruning occurs for updates which are at least two weeks old, which we implement here.
 	///
-	/// This method is automatically called immediately before writing the network graph via
-	/// [`Writeable::write`].
 	///
 	/// This method is only available with the `std` feature. See
 	/// [`NetworkGraph::remove_stale_channels_with_time`] for `no-std` use.