net_processing: make all Misbehaving increments = 100

This removes the need to actually track misbehavior score (see further commit), because any
Misbehaving node will immediately hit the discouragement threshold.

test/functional/p2p_addr_relay.py

@@ -142,7 +142,8 @@ class AddrTest(BitcoinTestFramework):
 
         msg = self.setup_addr_msg(1010)
         with self.nodes[0].assert_debug_log(['addr message size = 1010']):
-            addr_source.send_and_ping(msg)
+            addr_source.send_message(msg)
+            addr_source.wait_for_disconnect()
 
         self.nodes[0].disconnect_p2ps()