Cleaned comments

examples/OHagan-function/example_OHagan.py

examples/beam/example_beam.py

examples/ishigami/example_ishigami.py

examples/model-comparison/example_model_comparison.py

examples/pollution/example_valid_pollution.py

src/bayesvalidrox/bayes_inference/bayes_model_comparison.py

src/bayesvalidrox/pylink/pylink.py

src/bayesvalidrox/surrogate_models/engine.py

src/bayesvalidrox/surrogate_models/exp_designs.py

src/bayesvalidrox/surrogate_models/exploration.py

src/bayesvalidrox/surrogate_models/input_space.py

src/bayesvalidrox/surrogate_models/inputs.py

src/bayesvalidrox/surrogate_models/surrogate_models.py

tests/test_Discrepancy.py

tests/test_ExpDesign.py

tests/test_InputSpace.py

tests/test_MetaModel.py

tests/test_engine.py

tests/test_polyconst.py

tests/test_pylink.py