[prep/rpc] remove entry and expiry time from getorphantxs

Expiry is going away in a later commit.
This is only an RPC change. Behavior of the orphanage does not change.
Note that getorphantxs is marked experimental.

test/functional/rpc_orphans.py

@@ -4,10 +4,7 @@
 # file COPYING or http://www.opensource.org/licenses/mit-license.php.
 """Tests for orphan related RPCs."""
 
-import time
-
 from test_framework.mempool_util import (
-    ORPHAN_TX_EXPIRE_TIME,
     tx_in_orphanage,
 )
 from test_framework.messages import (
@@ -101,8 +98,6 @@ class OrphanRPCsTest(BitcoinTestFramework):
         tx_child_2 = self.wallet.create_self_transfer(utxo_to_spend=tx_parent_2["new_utxo"])
         peer_1 = node.add_p2p_connection(P2PInterface())
         peer_2 = node.add_p2p_connection(P2PInterface())
-        entry_time = int(time.time())
-        node.setmocktime(entry_time)
         peer_1.send_and_ping(msg_tx(tx_child_1["tx"]))
         peer_2.send_and_ping(msg_tx(tx_child_2["tx"]))
 
@@ -128,9 +123,6 @@ class OrphanRPCsTest(BitcoinTestFramework):
         assert_equal(len(node.getorphantxs()), 1)
         orphan_1 = orphanage[0]
         self.orphan_details_match(orphan_1, tx_child_1, verbosity=1)
-        self.log.info("Checking orphan entry/expiration times")
-        assert_equal(orphan_1["entry"], entry_time)
-        assert_equal(orphan_1["expiration"], entry_time + ORPHAN_TX_EXPIRE_TIME)
 
         self.log.info("Checking orphan details (verbosity 2)")
         orphanage = node.getorphantxs(verbosity=2)