delete data from "data" dir

src/data/BIOFLUX_RIZ - Copie.dx

src/data/BIOFLUX_RIZ.dx

src/data/Remy_1.dx

src/data/Remy_2.dx

src/data/Xcal.csv

src/data/Xcal_extended.csv

src/data/Xcal_with_meta_data.csv

src/data/Ycal.csv

src/data/Ycal2.csv

src/data/concentration_ble_rix.csv

src/data/spectra_ble_rix.csv

src/data/spectra_ble_rix_with_2meta_data.csv

src/data/spectra_ble_rix_with_meta_data.csv

src/pages/1-samples_selection.py

src/pages/2-model_creation.py

src/shared_imports.py

src/style/style_app.css

src/utils/data_handling.py

src/utils/data_parsing.py

src/utils/regress.py