refactor: remove dead code

Remove 38 unused audio/announce imports from FightScene.ts left over
from the module extraction. All functions are still used by the
extracted modules which import them directly.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

frontend/src/game/FightScene.ts

@@ -21,26 +21,10 @@ import { createRoundSystem } from './fight/rounds'
 import { createFinisherSystem } from './fight/finishers'
 import {
   sfxPunch, sfxKick, sfxSpecial, sfxCritical, sfxGunshot, sfxBulletHit,
-  sfxJetpack, sfxExplosion, sfxKO, sfxWin, sfxWinAnnounce, sfxPerfect,
+  sfxJetpack, sfxExplosion, sfxBlock, sfxDodge, sfxClash, sfxRandomSilly,
-  sfxRoundStart, sfxBlock, sfxDodge, sfxClash, sfxRandomSilly, sfxBoing,
+  sfxBoing, sfxBonk, sfxZap, sfxSlideDown, sfxSlideUp, sfxZoomWhoosh,
-  sfxBonk, sfxZap, sfxSlideDown, sfxSlideUp, sfxZoomWhoosh, sfxRapidPunch,
+  sfxRapidPunch, sfxPowerUp, sfxCoin, sfxRandomComedy,
-  sfxSplat, sfxWomp, sfxPowerUp, sfxCoin, sfxFail, sfxDrumRoll,
+  startMusic, stopMusic, announceCool,
-  fanfareRound, fanfareFight, fanfareDevastating, fanfareCritical, fanfareCombo,
-  startMusic, stopMusic, announce,
-  announceRandom, announceDramatic, announceHype, announceSilly, announceCool,
-  announceRobot, announceScream, announceFast,
-  announceFinishHim, announceFatality, announceFlawlessVictory,
-  announceRandomHype, announceDeepIntro, announceRoundHype, announceCrowdReaction,
-  announceCreatorEntrance, announceCreatorRound, announceCreatorKO,
-  announceCreatorWin, announceCreatorLose, announceCreatorMorph,
-  announceCreatorCameo, announceCreatorTaunt, announceCreatorDevastating,
-  sfxRandomComedy, sfxRandomFail,
-  sfxVineBoom, sfxAirHorn, sfxBruh, sfxFart, sfxRecordScratch,
-  sfxRubberChicken, sfxSqueakyToy, sfxWetSlap, sfxBoneCrack, sfxCartoonRun,
-  sfxRimShot, sfxSlideWhistleUp, sfxSlideWhistleDown, sfxYippee, sfxDing,
-  sfxTacoBellBong, sfxWindowsError, sfxMemeThud,
-  sfxSadTrombone, sfxFailHorn, sfxPriceIsRightFail, sfxBuzzer,
-  sfxMissionFailed, sfxCrickets, sfxSadViolin, sfxEmotionalDamage, sfxDunDunDun,
 } from './audio'