sphenocorona_active spell references an invalid monster id

### Describe the bug

This spell references the invalid monster id mon_yrax_sphenocorona_inert
https://github.com/CleverRaven/Cataclysm-DDA/blob/de687d39f5a946b7585d2d73c337c3960b5907ac/data/json/monster_special_attacks/yrax_special_attacks.json#L97-L105
See https://github.com/CleverRaven/Cataclysm-DDA/pull/68656#issuecomment-2543994008 for a potential fix guessing intention from names.
Candlebury reckons it must have been changed/removed at some point but it wasn't present in the yrax monsters file on their PR (https://github.com/John-Candlebury/Cataclysm-DDA/blob/579cbecd93f25a50da052d02992d98e18b23dd42/data/json/monsters/yrax.json) so I don't know where it was

### Attach save file

N/A

### Steps to reproduce

Do a find in files for mon_yrax_sphenocorona_inert
The only result should be the spell

### Expected behavior

The spell to use a valid id

### Screenshots

_No response_

### Versions and configuration

- OS: Windows
- OS Version: 10.0.19045.5247 (22H2)
- Game Version: c9cf0fa331 [64-bit]
- Graphics Version: Tiles
- Game Language: System language []
- Mods loaded: [
Dark Days Ahead [dda],
Disable NPC Needs [no_npc_food],
Portal Storms Ignore NPCs [personal_portal_storms],
Slowdown Fungal Growth [no_fungal_growth]
]

### Additional context

_No response_