Make RoutingTableHistory movable

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    • Fully Compatible
    • Sharding 2020-08-24
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      As part of the changes on SERVER-46199 the new CollectionCache will require that the cached elements (of RoutingTableHistory type) to be movable. To allow this there are three neccessary changes:

      • Remove the _sequenceNumber on RoutingTableHistory, that way the RoutingTableHistory merge can be implemented as an inmutable operation, which is necessary for the new lookup pattern to be used for the collection cache
      • Remove the const on the RoutingTableHistory class members
      • Add a move constructor and a move assign operator

              Assignee:
              Marcos José Grillo Ramirez
              Reporter:
              Marcos José Grillo Ramirez
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