Revert "[BD-6] Use pip3 in the Makefile"
Revert "[BD-6] Use pip3 in the Makefile"

arbrandes/edx-configuration,arbrandes/edx-configuration,arbrandes/edx-configuration,stvstnfrd/configuration,arbrandes/edx-configuration,mitodl/configuration,mitodl/configuration,arbrandes/edx-configuration,edx/configuration,EDUlib/configuration,mitodl/configuration,stvstnfrd/configuration,stvstnfrd/configuration,EDUlib/configuration,EDUlib/configuration,EDUlib/configuration,edx/configuration,edx/configuration,stvstnfrd/configuration,edx/configuration,stvstnfrd/configuration,mitodl/configuration,EDUlib/configuration