Revert "Merge pull request #115 from ekopylova/add-sumaclust"

This reverts commit 7b34d9856840d473636949ed48f56dbd5d0e3088, reversing
changes made to d4e27cbd16e380223b30ae21ec29d111431bf757.

revert sumaclust merge, failed to build
Merge pull request #117 from ekopylova/revert-pull-request-115

Revert "Merge pull request #115 from ekopylova/add-sumaclust"