Radio sfx option is in the radio instead of settings (#90598)

## About The Pull Request

Opinions aren't too strong about taking it out of the settings page, I
only did it cause settings doesn't auto update with the pref updating,
so I can put it back if wanted.

Adds a volume slider in radios which you can use to edit your own blip
volume, which then plays a blip back at you so you know what it sounds
like.

## Why It's Good For The Game

You now change the volume using the in-game item instead of having to
scroll through a bunch of settings and find it, and you get instant
feedback so you know exactly what it's gonna sound like.


https://github.com/user-attachments/assets/fe936ed8-9620-4e81-8782-e6fa99de100a

## Changelog

🆑
qol: Radios/headsets now have a slider to change the volume from radio
noises.
/🆑

code/modules/client/preferences/sounds.dm

@@ -110,7 +110,6 @@
 
 /// Controls radio noise volume
 /datum/preference/numeric/volume/sound_radio_noise
-	category = PREFERENCE_CATEGORY_GAME_PREFERENCES
 	savefile_key = "sound_radio_noise"
 	savefile_identifier = PREFERENCE_PLAYER