remove fluidsettings doc from manpage
remove fluidsettings doc from manpage

refer to xml instead

nezticle/fluidsynth,nezticle/fluidsynth,nezticle/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth,FluidSynth/fluidsynth,nezticle/fluidsynth