Merge bitcoin/bitcoin#31478: docs: remove repetitive words

015aad8 docs: remove repetitive words (RiceChuan)

Pull request description:

  remove repetitive words

ACKs for top commit:
  maflcko:
    lgtm ACK 015aad8
  hebasto:
    ACK 015aad8.

Tree-SHA512: c241d19786c1fb9836f7c5b3bf4f16df737d3bee75556cecea354b66a7ab653f524ec020676b04a001daeb4293c2cd3e7a0b9b7f54df44d88290bf4409f7b304

src/rpc/blockchain.cpp

@@ -2942,7 +2942,7 @@ static RPCHelpMan dumptxoutset()
     return RPCHelpMan{
         "dumptxoutset",
         "Write the serialized UTXO set to a file. This can be used in loadtxoutset afterwards if this snapshot height is supported in the chainparams as well.\n\n"
-        "Unless the the \"latest\" type is requested, the node will roll back to the requested height and network activity will be suspended during this process. "
+        "Unless the \"latest\" type is requested, the node will roll back to the requested height and network activity will be suspended during this process. "
         "Because of this it is discouraged to interact with the node in any other way during the execution of this call to avoid inconsistent results and race conditions, particularly RPCs that interact with blockstorage.\n\n"
         "This call may take several minutes. Make sure to use no RPC timeout (bitcoin-cli -rpcclienttimeout=0)",
         {