[spec] version_spec: forget about rev and commit (#4303)
[spec] version_spec: forget about rev and commit (#4303)

Stable doesn't have them.

pazos/koreader,mwoz123/koreader,Markismus/koreader,NiLuJe/koreader,Frenzie/koreader,poire-z/koreader,Hzj-jie/koreader,Frenzie/koreader,koreader/koreader,poire-z/koreader,koreader/koreader,mihailim/koreader,houqp/koreader,NiLuJe/koreader