v1.07 - Slash Beams are now easier to cast

- Removed Slash Beam fail mechanic.
- Can still cancel Slash Beam casting by tracing backwards or just moving greatsword to face backwards.
- Slash Beams commands now has 2 nodes instead of 3.
- Will now cast Slash Beam upon the greatsword exiting the final node, while the visual slash beam fill value is > 75%.
- Will now cast Slash Beam upon visual slash beam fill value > 99%.