Remove WaterTAP and/or IDAES from required dependencies

[lbianchi-lbl]

watertap

• watertap.core.solvers.get_solver() Allow solver to be supplied by clients instead of hard-coding it from IDAES or WaterTAP #3
  • This has been addressed by Apply minimal changes needed for PyPI installation #7 and Remove watertap from required dependencies #9: watertap is not a required dependency anymore

idaes-pse

• idaes.core.solvers.get_solver() Allow solver to be supplied by clients instead of hard-coding it from IDAES or WaterTAP #3
• IDAES logger Convert uses of IDAES logger to stdlib logging #4
• Pysmo sampling Resolve Pysmo sampling causing a requirement on idaes-pse #5
• IDAES extensions for testing Enable (a subset of) test suite to run without IDAES extensions #6