SDL: audio: Removed an unnecessary commented-out line.

SDL Commits
1 
From e0236c02cea9c27a80444c2c423f9da2356f38ba Mon Sep 17 00:00:00 2001
From: "Ryan C. Gordon" <[EMAIL REDACTED]>
Date: Sun, 23 Jan 2022 01:28:36 -0500
Subject: [PATCH] audio: Removed an unnecessary commented-out line.

---
 src/audio/SDL_audio.c | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/audio/SDL_audio.c b/src/audio/SDL_audio.c
index 38e1f25f4a4..3a31e159c0e 100644
--- a/src/audio/SDL_audio.c
+++ b/src/audio/SDL_audio.c
@@ -950,7 +950,6 @@ SDL_AudioInit(const char *driver_name)
         SDL_AudioQuit();        /* shutdown driver if already running. */
     }
 
-    // SDL_zero(current_audio); -- no need at this point, done before init()
     SDL_zeroa(open_devices);
 
     /* Select the proper audio driver */