These functions/methods are removed.
plotImsSliceuse plotMsiSlice
    instead.
signature(object = "MassPeaks"): removed.
signature(object = "AbstractMassObject",
      value = "numeric"):
    use calibrateIntensity instead.
signature(x = "matrix"):
    use calibrateIntensity instead.
signature(object = "list"):
    use calibrateIntensity instead.
signature(object = "AbstractMassObject", minMass = "numeric"):
    use trim instead.
use trim instead.
use averageMassSpectra
    instead.
use smoothIntensity
    instead.
use smoothIntensity
    instead.
removed.
removed.
does not support MassSpectrum objects anymore.