Revert "Merge #19606: Backport wtxid relay to v0.20"

This reverts commit a339289c2e, reversing
changes made to b9ac31f2d2.

test/functional/test_framework/messages.py

@@ -31,7 +31,7 @@ from test_framework.siphash import siphash256
 from test_framework.util import hex_str_to_bytes, assert_equal
 
 MIN_VERSION_SUPPORTED = 60001
-MY_VERSION = 70016  # past wtxid relay
+MY_VERSION = 70014  # past bip-31 for ping/pong
 MY_SUBVERSION = b"/python-mininode-tester:0.0.3/"
 MY_RELAY = 1 # from version 70001 onwards, fRelay should be appended to version messages (BIP37)
 
@@ -52,7 +52,6 @@ NODE_NETWORK_LIMITED = (1 << 10)
 MSG_TX = 1
 MSG_BLOCK = 2
 MSG_FILTERED_BLOCK = 3
-MSG_WTX = 5
 MSG_WITNESS_FLAG = 1 << 30
 MSG_TYPE_MASK = 0xffffffff >> 2
 
@@ -232,8 +231,7 @@ class CInv:
         MSG_TX | MSG_WITNESS_FLAG: "WitnessTx",
         MSG_BLOCK | MSG_WITNESS_FLAG: "WitnessBlock",
         MSG_FILTERED_BLOCK: "filtered Block",
-        4: "CompactBlock",
-        5: "WTX",
+        4: "CompactBlock"
     }
 
     def __init__(self, t=0, h=0):
@@ -254,9 +252,6 @@ class CInv:
         return "CInv(type=%s hash=%064x)" \
             % (self.typemap[self.type], self.hash)
 
-    def __eq__(self, other):
-        return isinstance(other, CInv) and self.hash == other.hash and self.type == other.type
-
 
 class CBlockLocator:
     __slots__ = ("nVersion", "vHave")
@@ -1118,22 +1113,6 @@ class msg_tx:
     def __repr__(self):
         return "msg_tx(tx=%s)" % (repr(self.tx))
 
-class msg_wtxidrelay:
-    __slots__ = ()
-    command = b"wtxidrelay"
-
-    def __init__(self):
-        pass
-
-    def deserialize(self, f):
-        pass
-
-    def serialize(self):
-        return b""
-
-    def __repr__(self):
-        return "msg_wtxidrelay()"
-
 
 class msg_no_witness_tx(msg_tx):
     __slots__ = ()