Revert "Revert "delete commit2/commit3/commit4""

This reverts commit 78ba0406f3cc1dc91e03565b144aac58623f99fd.
Revert "Revert "Revert "delete commit2/commit3/commit4"""

This reverts commit 39c72825d3f404626dcbbe06b65017cf0f0993f6.
delete
Revert "delete"

This reverts commit 65d509d475274bd38ee019997f4fe11f97a7b3f5.
Revert "Revert "delete""

This reverts commit 55de6bcd6a5bb28920ffc732e982850c0a072b90.
delete2