Revert "Add CHT specific gitconfig"

This reverts commit 4168e0f4058630c3e3123c7094b47c2a6eac2410.
Don't use sshconfig
Support TFS branch in git-tfs aliases
Add some cherry-pick aliases
Merge commit '3082a435433285ca0d5bccc515783183922df6cc' into cht_win