Remove duplicate validation efforts that are handled in REopt.jl

[zolanaj]

Note: for support questions and enhancement suggestions please use the REopt Forum (under development). This repository's issues are reserved for feature requests and bug reports.

• I'm submitting a ...

  • bug report
  • feature request
  • support request => Please do not submit support request here, see note at the top of this template.

• What is the current behavior?
  Duplicate validations take place from REopt.jl and the API. With the new message passing and logger recently added to REopt.jl, this is unneccessary.

This issue was created in response to a comment by @Bill-Becker in #329