message: Remove descendantcount, descendantsize and descendantfees from EntryDescriptionString()
  Since the removal of descendant state tracking these values are
  no longer supplied and can be removed from the help text.
diff: @@ -229,11 +229,6 @@ std::string EntryDescriptionString()
  " \"height\" : n, (numeric) block height when transaction entered pool\n"
  " \"startingpriority\" : n, (numeric) priority when transaction entered pool\n"
  " \"currentpriority\" : n, (numeric) transaction priority now\n"
  - " \"descendantcount\" : n, (numeric) number of in-mempool descendant transactions (including this "
  - "one)\n"
  - " \"descendantsize\" : n, (numeric) size of in-mempool descendants (including this one)\n"
  - " \"descendantfees\" : n, (numeric) modified fees (see above) of in-mempool descendants (including "
  - "this one)\n"
  " \"ancestorcount\" : n, (numeric) number of in-mempool ancestor transactions (including this one)\n"
  " \"ancestorsize\" : n, (numeric) size of in-mempool ancestors (including this one)\n"
  " \"ancestorfees\" : n, (numeric) modified fees (see above) of in-mempool ancestors (including this "
  