Update tests/test_camera.py, tests/test_comicray.py, tests/test_io.py, tests/test_main.py, tests/test_optics.py, tests/test_target.py

Update csst_cpic_sim/__init__.py, csst_cpic_sim/camera.py,...

See merge request !1

Update csst_cpic_sim/__init__.py, csst_cpic_sim/camera.py, csst_cpic_sim/config.py, csst_cpic_sim/io.py, csst_cpic_sim/main.py, csst_cpic_sim/optics.py, csst_cpic_sim/psf_simulation.py, csst_cpic_sim/target.py, csst_cpic_sim/utils.py
Deleted csst_cpic_sim/.gitkeep

Deleted cpism_refdata/camera/.gitkeep, cpism_refdata/camera/emccd_bad_columns.fits, cpism_refdata/camera/emccd_cic.fits, cpism_refdata/camera/emccd_config.yaml, cpism_refdata/camera/emccd_dark_current.fits, cpism_refdata/camera/emccd_flat_field.fits, cpism_refdata/camera/emcid_cic.fits, cpism_refdata/io/.gitkeep, cpism_refdata/io/data_model2.yaml, cpism_refdata/io/image_header.json, cpism_refdata/io/primary_header.json, cpism_refdata/optics/.gitkeep, cpism_refdata/optics/actuator.fits, cpism_refdata/optics/actuator_v0.9.fits, cpism_refdata/optics/actuator_v0.91.fits, cpism_refdata/optics/apm.fits, cpism_refdata/optics/initial_phase_aberration.fits, cpism_refdata/optics/initial_phase_aberration_v0.9.fits, cpism_refdata/optics/initial_phase_aberration_v0.91.fits, cpism_refdata/optics/optics_config.yaml, cpism_refdata/target_model/.gitkeep, cpism_refdata/target_model/hybrid_model.fits, cpism_refdata/target_model/sptype2teff_lut.json, cpism_refdata/throughtput/.gitkeep, cpism_refdata/throughtput/f1265_total.fits, cpism_refdata/throughtput/f1425_total.fits, cpism_refdata/throughtput/f1542_total.fits, cpism_refdata/throughtput/f520.fits, cpism_refdata/throughtput/f565_total.fits, cpism_refdata/throughtput/f661_total.fits, cpism_refdata/throughtput/f662.fits, cpism_refdata/throughtput/f725.fits, cpism_refdata/throughtput/f743_total.fits, cpism_refdata/throughtput/f860.fits, cpism_refdata/throughtput/f883_total.fits, cpism_refdata/throughtput/f940_total.fits, cpism_refdata/.gitkeep, cpism_refdata/cpism_config.yaml