A few formatting fixes
* try to more consistently use shell-session formatting for shell
sessions (makes it easier to copy-paste).
* fix up and use more `` around verbatim/code things.
Fixes:
* Gerrit Configuration : there's no db to set the ICLA fields in now,
remove
* Duplicate Accounts : add required arg "origin" to git fetch command
* Deactivating account : can not delete comments via sql query,
remove
Change-Id: Ia481750aa59fc88bef5c00bb0fd9e6f9e23b2777