Spring cleaning

We have a lot of old branches in this repository. They either should be deleted or merged. Please create a merge request or delete the below listed branches. And check the box if you are done.

dev_philipp @philipp.goymann
cell_hashing @philipp.goymann
Guilherme.Valente-master-patch-74604 @Guilherme.Valente
salmon-index @hendrik.schultheis
feature_barcoding @hendrik.schultheis
fix_seurat @hendrik.schultheis

Edited Nov 15, 2022 by Hendrik Schultheis

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