Remove now unused `GenKill` impl for old `GenKillSet`

diff --git a/src/librustc_mir/dataflow/generic/mod.rs b/src/librustc_mir/dataflow/generic/mod.rs
index 26aa933f423706972e0e3d3ce23a3e37f531e8d8..9a102c9a3d06f0b9e75b51f27eba4d2719580860 100644 (file)
--- a/src/librustc_mir/dataflow/generic/mod.rs
+++ b/src/librustc_mir/dataflow/generic/mod.rs
@@ -451,16 +451,5 @@ fn kill(&mut self, elem: T) {
     }
 }
 
-// For compatibility with old framework
-impl<T: Idx> GenKill<T> for crate::dataflow::GenKillSet<T> {
-    fn gen(&mut self, elem: T) {
-        self.gen(elem);
-    }
-
-    fn kill(&mut self, elem: T) {
-        self.kill(elem);
-    }
-}
-
 #[cfg(test)]
 mod tests;