KDE:Unstable:Applications with reduced dependencies

cantor:
- omit python2 support
- split -backend-R
- split -backend-julia
- split -backend-kalgebra
- split -backend-lua
- split -backend-maxima
- split -backend-octave
- split -backend-python3
- split -backend-qalculate
- split -backend-sage
- split -backend-scilab

dolphin:
- omit baloo support

gwenview5:
- omit baloo support
- omit FITS support
- omit kdcraw support
- omit kipi support

kdenlive:
- omit v4l support
- split -lumadata

kig:
- omit python2 support

kio-extras5:
- omit OpenEXR support
- omit Qt5WebEngine support
- omit smb support
- split mtp support

kolourpaint:
- omit kexiv2 support
- omit ksane support

okular:
- omit Qt5TextToSpeech support
- omit purpose support
- split -doc
- split -generator-chm
- split -generator-epub
- split -generator-kimgio
- split -generator-mobipocket

spectacle:
- omit kipi support
- omit purpose support