Reworked water explosion fx

Improved muzzle smoke visibility
Added a flare glow fx for world/3rd person muzzle

Improved water explosion fx
Visual tweak to grenade launcher explosion fx

Reduced explosion effect's visual clutter

Few visual tweaks

Removed unused effects (now handled by legacy muzzle pack)

Improved a few screen effect (burning, blood splatter, adrenaline)
Improved shotgun muzzle fx

Seperated ember trailing effects
Improved a few more muzzle fx
Increased screen blood splatter count

Improved overall muzzleflash effects
Added more screen blood splatters