Simplify repo size reduction docs
Problem to solve
The current docs are hard to follow requiring the project to be cloned twice. This is slow and probably unnecessary.
Further details
Proposal
- Both flows should have the user upload the commit-map
- Remove remote instructions
- Explore
--mirror
option to make the first option more complete without runningbundle
, and pushing withrefs/{tags,heads}/*
refspec
Edited by James Ramsay (ex-GitLab)