scripted-diff: test: Rename send_message to send_without_ping

send_message only drops the bytes in a buffer and a sync is needed to
avoid intermittent test issues. Change the name of the method to make
this more apparent during review.

-BEGIN VERIFY SCRIPT-
 sed -i 's/send_message(/send_without_ping(/g' $( git grep -l 'send_message(' )
-END VERIFY SCRIPT-

test/functional/p2p_addrv2_relay.py

@@ -79,7 +79,7 @@ class AddrTest(BitcoinTestFramework):
         self.log.info('Check disconnection when sending sendaddrv2 after verack')
         conn = self.nodes[0].add_p2p_connection(P2PInterface())
         with self.nodes[0].assert_debug_log(['sendaddrv2 received after verack, disconnecting peer=0']):
-            conn.send_message(msg_sendaddrv2())
+            conn.send_without_ping(msg_sendaddrv2())
             conn.wait_for_disconnect()
 
         self.log.info('Create connection that sends addrv2 messages')
@@ -104,7 +104,7 @@ class AddrTest(BitcoinTestFramework):
         self.log.info('Send too-large addrv2 message')
         msg.addrs = ADDRS * 101
         with self.nodes[0].assert_debug_log(['addrv2 message size = 1010']):
-            addr_source.send_message(msg)
+            addr_source.send_without_ping(msg)
             addr_source.wait_for_disconnect()