Fight Ridley without immunity to heat damage.

Requires:

{
  "notable": "Ridley without Heat Protection"
}
{
  "heatFrames": 0
}
{
  "ridleyKill": {}
}
"h_RidleyDrops"

Clears obstacles: f_DefeatedRidley

Sets flags: f_DefeatedRidley

Dev note: Heat frames are accounted for as part of the enemyKill.