Revert "added ClearTarget mechanic" authored by Lxlp's avatar Lxlp
This reverts commit 1f8283a3389908f340de3fcb5bc030ebbd4ae456.
## Description
Causes the player's screen to black out.
## Attributes
> This mechanic inherits every attribute of the [Aura](/Skills/Mechanics/Aura) mechanic
>> - The `auraname` attribute is **set** at `#blackScreen`
>> - The `maxStacks` attribute is **set** at `1`
>> - The `refreshDuration` attribute is **set** at `true`
>> - The `interval` attribute is **set** at `10`
## Examples
Blinds players when the mob teleports
```yaml
BlackScreen:
Skills:
- blackscreen{d=2} @PlayersInRadius{r=100} ~onTeleport
```
## Aliases
- [x] effect:blackScreen
- [x] e:blackScreen
<!--TAGS-->
<!--tag:Meta-Mechanic:Aura-->
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