replace np.float with float and np.int with int

wetb/fast/fast_io.py

wetb/fatigue_tools/rainflowcounting/peak_trough.py

wetb/fatigue_tools/rainflowcounting/rainflowcount.py

wetb/flex/__init__.py

wetb/flex/_io.py

wetb/gtsdf/gtsdf.py

wetb/gtsdf/tests/test_gtsdf_stat.py

wetb/gtsdf/unix_time.py

wetb/hawc2/st_file.py

wetb/signal/fit/_bin_fit.py

wetb/signal/interpolation.py

wetb/signal/tests/test_first_order.py

wetb/signal/tests/test_interpolation.py

wetb/signal/tests/test_subset_mean.py

wetb/utils/plot_rotation.py

wetb/utils/rotation.py

wetb/wind/turbulence/constraint_file.py

wetb/wind/utils.py