Clean up before releasing 0.4.3

[Gabriel-p]

• [x] Check that binarity (beta) is not fitted when bp_vs_mass = D&K (removed this parameter altogether)
• [x] Add plots for the mass and the binary fraction in D2
• [x] Remove MAP sol
• [x] Fix output file
• [x] Fix B2 line
• [x] Fix A3 plot
• [x] Remove getSynthClust()?
• [x] Remove radial veloc from decontamination algorithm?