Merge #20064: RPC: remove duplicate line in getblock help

1885ad3 RPC: remove duplicate line in getblock help (Fabian Jahr)

Pull request description:

  Line simply seems duplicated in error.

  Testing instructions:
  Run `src/bitcoin-cli help getblock` on master branch to reproduce. Then build this PR and compare its results.

ACKs for top commit:
  dhruv:
    tACK `1885ad3`
  kristapsk:
    ACK 1885ad3
  Emzy:
    tACK 1885ad3

Tree-SHA512: 870c035cb553b0e1d5ef72e64231ef277e0392efe94bc6ecf47129023bd94a6d5a276f46529807f68a1db55c7baa94d9119c7264d9947bc4e5dd9dcefd1b13e7

src/rpc/blockchain.cpp

@@ -928,7 +928,6 @@ static RPCHelpMan getblock()
                             {RPCResult::Type::ELISION, "", "The transactions in the format of the getrawtransaction RPC. Different from verbosity = 1 \"tx\" result"},
                         }},
                     }},
-                    {RPCResult::Type::ELISION, "", "Same output as verbosity = 1"},
                 }},
         },
                 RPCExamples{