gitea/models/migrations/v1_10
delvh e10ba5e5e0
Rename `Sync2` -> `Sync` ()
The xorm `Sync2` has already been deprecated in favor of `Sync`,
so let's do the same inside the Gitea codebase.

Command used to replace everything:
```sh
for i in $(ag Sync2 --files-with-matches); do vim $i -c ':%sno/Sync2/Sync/g' -c ':wq'; done
```
..
v88.go Rename `Sync2` -> `Sync` ()
v89.go Rename `Sync2` -> `Sync` ()
v90.go Rename `Sync2` -> `Sync` ()
v91.go Rename `Sync2` -> `Sync` ()
v92.go
v93.go Rename `Sync2` -> `Sync` ()
v94.go Rename `Sync2` -> `Sync` ()
v95.go Rename `Sync2` -> `Sync` ()
v96.go Fix all possible setting error related storages and added some tests ()
v97.go Rename `Sync2` -> `Sync` ()
v98.go Rename `Sync2` -> `Sync` ()
v99.go Rename `Sync2` -> `Sync` ()
v100.go Rename `Sync2` -> `Sync` ()
v101.go Rename `Sync2` -> `Sync` ()