engine: client: remove unused cbtrim and samplefrac fields from voxword_t

engine/client/vox.h

@@ -25,9 +25,7 @@ typedef struct voxword_s
 	int    pitch;        // pitch shift up percent
 	int    start;        // offset start of wave percent
 	int    end;          // offset end of wave percent
-	int    cbtrim;       // end of wave after being trimmed to 'end'
 	int    fKeepCached;  // 1 if this word was already in cache before sentence referenced it
-	int    samplefrac;   // if pitch shifting, this is position into wav * 256
 	int    timecompress; // % of wave to skip during playback (causes no pitch shift)
 	sfx_t *sfx;          // name and cache pointer
 } voxword_t;