lightningd: remove tx and txid fields from close response.

Changelog-Removed: JSON-RPC: `close` `tx` and `txid` field (use `txs` and `txids`), deprecated v24.11.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>

contrib/msggen/msggen/schema.json

@@ -5908,26 +5908,6 @@
               ],
               "properties": {
                 "type": {},
-                "tx": {
-                  "type": "hex",
-                  "deprecated": [
-                    "v24.11",
-                    "v25.12"
-                  ],
-                  "description": [
-                    "The raw bitcoin transaction used to close the channel (if it was open)."
-                  ]
-                },
-                "txid": {
-                  "type": "txid",
-                  "deprecated": [
-                    "v24.11",
-                    "v25.12"
-                  ],
-                  "description": [
-                    "The transaction id of the *tx* field."
-                  ]
-                },
                 "txs": {
                   "added": "v24.11",
                   "type": "array",

contrib/pyln-testing/pyln/testing/grpc2py.py

@@ -335,8 +335,6 @@ def close2py(m):
         "txids": [hexlify(m.txids) for i in hexlify(m.txids)], # ArrayField[primitive] in generate_composite
         "txs": [hexlify(m.txs) for i in hexlify(m.txs)], # ArrayField[primitive] in generate_composite
         "type": str(m.item_type),  # EnumField in generate_composite
-        "tx": hexlify(m.tx),  # PrimitiveField in generate_composite
-        "txid": hexlify(m.txid),  # PrimitiveField in generate_composite
     })