[api] Trim the type erased entry point comments

script/api_protobuf/api_protobuf.py

@@ -2841,9 +2841,7 @@ def build_message_type(
             )
             for line in encode
         ]
-        # The body is a static function taking the message as const void *, so its address is
-        # already a MessageEncodeFn and callers need no per-type thunk. The member encode() below
-        # forwards to it for direct callers.
+        # Static over const void * so &T::encode_msg is a MessageEncodeFn without a thunk.
         o = f"{speed_attr}uint8_t *{desc.name}::encode_msg(const void *self, ProtoWriteBuffer &buffer PROTO_ENCODE_DEBUG_PARAM) {{\n"
         o += f"  const auto &msg = *static_cast<const {desc.name} *>(self);\n"
         o += "  uint8_t *__restrict__ pos = buffer.get_pos();\n"