cxxrtl: remove inaccurate comment. NFC.

diff --git a/backends/cxxrtl/cxxrtl.cc b/backends/cxxrtl/cxxrtl.cc
index d1a855bf0f3f3c6254c2c61773e30420b2a74710..d6b901aa0832ae2ce658e3367c1fd186a62b06e4 100644 (file)
--- a/backends/cxxrtl/cxxrtl.cc
+++ b/backends/cxxrtl/cxxrtl.cc
@@ -1425,8 +1425,6 @@ struct CxxrtlWorker {
                                        if (cell->getPort(ID(CLK)).is_wire())
                                                register_edge_signal(sigmap, cell->getPort(ID(CLK)),
                                                        cell->parameters[ID(CLK_POLARITY)].as_bool() ? RTLIL::STp : RTLIL::STn);
-                                       // The $adff and $dffsr cells are level-sensitive, not edge-sensitive (in spite of the fact that they
-                                       // are inferred from an edge-sensitive Verilog process) and do not correspond to an edge-type sync rule.
                                }
                                // Similar for memory port cells.
                                if (cell->type.in(ID($memrd), ID($memwr))) {