Add ClearInstrumentParameters algorithm stub.

Refs #10020
Refs #10020. Tidy up ClearInstrumentParameters' header.
Refs #10020. Implement ClearInstrumentParameters.
Refs #10020. Add documentation for ClearInstrumentParameters
Refs #10020. Tweak wording of documentation.
Add unit test for ClearInstrumentParameters.

Refs #10020.
Merge remote-tracking branch 'origin/feature/10020_add_clearinstrumentparameters_algorithm'