Update doc

doc/protocol.md

@@ -105,12 +105,10 @@ A algo hash bloc contains:
 ### Tracker specific messages
 #### Register
 Used by a server to register itself on a tracker.
-Payload contains `0x01` if working on udp, `0x02` if working on tcp, `0x03` if working on both.
 Server may want to do a free `DISCOVER` to check if they have been registered.
 
 #### Unregister
 Used by a server to unregister itself from a tracker.
-Payload contains `0x01` if unregister from udp, `0x02` if unregister from tcp, `0x03` if unregister on both.
 No error is raised if the server was not registered.
 Server may want to do a free `DISCOVER` to check if they have been unregistered.
 
@@ -135,7 +133,6 @@ Server block is composed with:
 
 ```
 2 bytes: [port]
-1 byte: [protocols (udp: 0x01, tcp: 0x02, tcp+udp: 0x03)]
 ? bytes: hostname
 \n
 ```

doc/tracker_sequence_diagram.drawio

@@ -1 +1 @@
-<mxfile host="app.diagrams.net" modified="2020-03-19T13:39:55.239Z" agent="Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0" etag="IxPzT9LGU_MY1tdQBREO" version="12.8.8" type="device"><diagram name="Page-1" id="13e1069c-82ec-6db2-03f1-153e76fe0fe0">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</diagram></mxfile>
+<mxfile host="app.diagrams.net" modified="2020-03-19T14:50:01.302Z" agent="Mozilla/5.0 (X11; Linux x86_64; rv:68.0) Gecko/20100101 Firefox/68.0" etag="dOXguTcOAZ-R9XuIfENW" version="12.8.8" type="device"><diagram name="Page-1" id="13e1069c-82ec-6db2-03f1-153e76fe0fe0">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</diagram></mxfile>