(M=6be57) ~/Code/Work/repoA$ git checkout -b files-to-keep
Switched to a new branch 'files-to-keep'
(files-to-keep=6be57) ~/Code/Work/repoA$ git rm file2
rm 'file2'
(files-to-keep=6be57) ~/Code/Work/repoA$ git commit -m 'delete the files that are moving'
[files-to-keep 9229510] delete the files that are moving
 0 files changed, 0 insertions(+), 0 deletions(-)
 delete mode 100644 file2