As discussed in D1950#83234 `ElevationBonus` can be moved to under `Projectile`.
'Delay' is quite vague, so renamed to `DamageDelay` and made optional for cleaner templates.
Continuation of D1171.
- Grepped for `ElevationBonus` in public mod, checked all occurences.
- Grepped for `Delay` in public mod, checked all occurences.
- `Units_demo` loads fine.