SDL: AUDIO_U16 support was removed from SDL3

From 2a03ad2cbf6987ffd95a19ea77ef33960a75c1f3 Mon Sep 17 00:00:00 2001
From: Elad Lahav <[EMAIL REDACTED]>
Date: Mon, 27 Mar 2023 06:25:29 -0400
Subject: [PATCH] AUDIO_U16 support was removed from SDL3

---
 src/audio/qnx/SDL_qsa_audio.c | 12 ------------
 1 file changed, 12 deletions(-)

diff --git a/src/audio/qnx/SDL_qsa_audio.c b/src/audio/qnx/SDL_qsa_audio.c
index cd11fdebb957..53b1defe1838 100644
--- a/src/audio/qnx/SDL_qsa_audio.c
+++ b/src/audio/qnx/SDL_qsa_audio.c
@@ -343,18 +343,6 @@ QSA_OpenDevice(_THIS, const char *devname)
                 found = 1;
             }
             break;
-        case AUDIO_U16LSB:
-            {
-                format = SND_PCM_SFMT_U16_LE;
-                found = 1;
-            }
-            break;
-        case AUDIO_U16MSB:
-            {
-                format = SND_PCM_SFMT_U16_BE;
-                found = 1;
-            }
-            break;
         case AUDIO_S32LSB:
             {
                 format = SND_PCM_SFMT_S32_LE;