NIPA Private investment in equipment table not used in FBS method

[WesIngwersen]

Table 5.5.5U has the data on investment in equipment and an FBA is made for it:

flowsa/flowsa/methods/flowbyactivitymethods/BEA_NIPA.yaml

Line 23 in 91fa085

- U50505 # Table 5.5.5U. Private Fixed Investment in Equipment by Type

But it is not used in the flow-by-sector method

https://github.com/cornerstone-data/flowsa/blob/91fa085d15ef8ed45ee14568c521b5ed8a6b33f6/flowsa/methods/flowbysectormethods/NIPA_FD_common.yaml