Revert "WIP: Preparing to support multiple reldisp records of same name."

This reverts commit ac90986d8c505293b7542bb26e70b13892ba975e.
Rowset is now split.
Splitting Row.
Record is now split.
Field is now split.
Removing isInComponentBuffer.
Forgot one.
Adjusting types on split rowset classes.
Centralizing core PTField functions.
Removing unnecessary code.
Removing unnecessary code.
Removing unnecessary code.
Removing unnecessary code.
Centralizing code in PTRecord.
Removing unnecessary code.
Centralizing code in PTRow.
Initial centralization of Rowset.
Centralizing Rowset.
Splitting PT methods on Rowset, adjusting reflection code accordingly.
Completing split by genericizing rowset, row, record, and field classes.