Do not wait for the first event before drawing clients
c-family.kak: Just remove trailing indent on InsertEnd
Do not register timers for transient input handlers
Revert "Add support for BufInsert/BufErase hooks"

This is potentially quite slow, and not used, reintroduce
later if we have a use case for it.

This reverts commit 5f3a477277828f3c698dd844c8df3614b55dd85b.
Avoid eol after undo/redo