Don't apply null ADC scaling
This PR modifies gwpy.timeseries to only apply ADC scaling if its mathematically interesting (scale != 1. or bias != 0); this helps to prevent unnecessary type-casting (e.g. for uint data).
This PR modifies gwpy.timeseries to only apply ADC scaling if its mathematically interesting (scale != 1. or bias != 0); this helps to prevent unnecessary type-casting (e.g. for uint data).