remove binding of sockets

newer versions of Python do not allow binding of sockets 'by hand'
anymore. Interestingly, everything works perfectly without. Was
it ever needed? Not sure.

ebpfcat/ethercat.py

@@ -467,7 +467,6 @@ class EtherCat(Protocol):
 
     def connection_made(self, transport):
         """start the send loop once the connection is made"""
-        transport.get_extra_info("socket").bind(self.addr)
         self.transport = transport
         ensure_future(self.sendloop())
 

ebpfcat/xdp.py

@@ -58,7 +58,6 @@ class XDRFD(DatagramProtocol):
     def connection_made(self, transport):
         sock = transport.get_extra_info("socket")
         sock.setsockopt(270, 11, 1)
-        sock.bind((0, 0))
         self.transport = transport
         # this was adopted from xdp1_user.c
         p = pack("IHHIIBxHiIiHHHHiHHI",