Come up with a faster algorithm for DuplicateNodeRemover
#5279
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… all at once to speed up the process.
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The real slow down wasn't in the use of the
ClosePointHashbut in the way that we replaced nodes, one at a time searching all relations and ways for that node, replacing it and reindexing theOsmMapIndex. Here we iterate the relations, ways, and nodes only once looking for all replacements and doing all of them in one fell swoop.Closes #3710