removeCalibration: Remove a Calibration Function from a PAMrSettings Object
In TaikiSan21/PAMr: Load and Process Passive Acoustic Data

Remove a calibration function from the "calibration" slot of a PAMrSettings object

1	removeCalibration(prs, index = NULL, module = "ClickDetector")

`prs`	a PAMrSettings object to remove a calibration from
`index`	index of the calibration function to remove. If `NULL`, user will be prompted to select from a list. This can also be a vector to remove multiple calibration functions at once.
`module`	the module of the calibration function to remove, currently not needed