fhdl: remove broken fragment iadd

diff --git a/migen/fhdl/structure.py b/migen/fhdl/structure.py
index 2580cf0a2121a59e81e794576b670b697d1128d2..f531ff3e73264ef1358c5dfabeebd82371f90270 100644 (file)
--- a/migen/fhdl/structure.py
+++ b/migen/fhdl/structure.py
@@ -205,9 +205,3 @@ class Fragment:
                        self.sync.l + other.sync.l,
                        self.instances + other.instances,
                        self.pads | other.pads)
-       def __iadd__(self, other):
-               self.comb.l += other.comb.l
-               self.sync.l += other.sync.l
-               self.instances += other.instances
-               self.pads |= other.pads
-               return self