remove unnecessary code from simplify_algebra

src/simplify_algebra.cpp

@@ -561,21 +561,6 @@ struct find_inner_broadcast
                       return 3;
                   }));
         auto op = insert_common_op(m, ins, ins->get_operator(), inputs);
-        std::vector<shape> broadcast_shapes;
-        std::transform(broadcasts.begin(),
-                       broadcasts.end(),
-                       std::back_inserter(broadcast_shapes),
-                       [](auto broadcast) { return broadcast->get_shape(); });
-        std::vector<shape> common_shapes;
-        std::transform(op->inputs().begin(),
-                       op->inputs().end(),
-                       std::back_inserter(common_shapes),
-                       [](auto common) { return common->get_shape(); });
-        if(broadcast_shapes == common_shapes and
-           std::all_of(op->inputs().begin(), op->inputs().end(), [](auto i) {
-               return i->name() == "broadcast" or i->name() == "multibroadcast";
-           }))
-            return;
         m.replace_instruction(ins, broadcasts.front()->get_operator(), op);
     }
 };