updates: Clean up an obsolete type alias

Signed-off-by: Ian Jackson <ijackson@chiark.greenend.org.uk>

diff --git a/src/updates.rs b/src/updates.rs
index f5a669bac8f3d36df007a0259bef0c8557ce9d4d..a3bedbd55ec09aa48d2ddea831026e7415ab529b 100644 (file)
--- a/src/updates.rs
+++ b/src/updates.rs
@@ -424,8 +424,6 @@ impl<'r> PrepareUpdatesBuffer<'r> {
                                 gen_update: GUF) -> PreparedUpdateEntry_Piece
     where GUF: FnOnce(&mut PieceState, Generation, &IsResponseToClientOp)
   {
-    type WRC = WhatResponseToClientOp;
-
     let gen = self.gen();
     let gs = &mut self.g.gs;