test: Remove unused wait_for_addr, firstAddrnServices, on_addr

Unused after commit be25ac3092

test/functional/p2p_node_network_limited.py

@@ -28,15 +28,9 @@ from test_framework.util import (
 NODE_NETWORK_LIMITED_MIN_BLOCKS = 288
 
 class P2PIgnoreInv(P2PInterface):
-    firstAddrnServices = 0
     def on_inv(self, message):
         # The node will send us invs for other blocks. Ignore them.
         pass
-    def on_addr(self, message):
-        self.firstAddrnServices = message.addrs[0].nServices
-    def wait_for_addr(self, timeout=5):
-        test_function = lambda: self.last_message.get("addr")
-        self.wait_until(test_function, timeout=timeout)
     def send_getdata_for_block(self, blockhash):
         getdata_request = msg_getdata()
         getdata_request.inv.append(CInv(MSG_BLOCK, int(blockhash, 16)))