Merge bitcoin/bitcoin#28289: rpc: remove one more quote from non-string oneline description

2394314 rpc: remove one more quote from non-string oneline description (Martin Zumsande)

Pull request description:

  This fixes a silent conflict between bitcoin/bitcoin#28123 (which removed all `\"options\"`) and bitcoin/bitcoin#27460 (which added a new one).

  It should fix the current CI failures.

ACKs for top commit:
  ajtowns:
    utACK 2394314
  MarcoFalke:
    lgtm ACK 2394314
  jonatack:
    ACK 2394314
  hebasto:
    ACK 2394314

Tree-SHA512: feb0c2b936a77be45d9c65aa7d738277b2266b5153665fee3b1413045de521195dc7d5efa2fc8b37b22f16e9b8d0ee8de25bfd151a428666122b31f64056557a

Author: fanquake

src/rpc/mempool.cpp

@@ -744,7 +744,7 @@ static RPCHelpMan importmempool()
                   "Whether to apply the unbroadcast set metadata from the mempool file.\n"
                   "Warning: Importing untrusted metadata may lead to unexpected issues and undesirable behavior."},
              },
-             RPCArgOptions{.oneline_description = "\"options\""}},
+             RPCArgOptions{.oneline_description = "options"}},
         },
         RPCResult{RPCResult::Type::OBJ, "", "", std::vector<RPCResult>{}},
         RPCExamples{HelpExampleCli("importmempool", "/path/to/mempool.dat") + HelpExampleRpc("importmempool", "/path/to/mempool.dat")},