Simplify animation WML in BURST_FRAME_FAERIE_MYSTIC_FIRE
Simplify animation WML in MELEE_FRAME_FIRE_AURA
Convert units in the Faerie Sprite line to the simplified 1.12 animation syntax
Simplify animation WML in MISSILE_FRAME_FAERIE_MYSTIC_FIRE
Move Galas' bolas attack animation from an AMLA macro to his unit type

There's no problem with unused animations in unit types, really, and
this way the code looks cleaner -- we need one macro and one [effect]
less.
Simplify animation WML for Xia'el
Simplify animation WML for Galas