SDL_mixer: remove endian ifdefs and define MIX_DEFAULT_FORMAT as AUDIO_S16SYS

SDL Commits
1 
From ecfc5649c00ab4b4f89600d091f431313968760f Mon Sep 17 00:00:00 2001
From: Ozkan Sezer <[EMAIL REDACTED]>
Date: Mon, 4 Sep 2023 22:33:04 +0300
Subject: [PATCH] remove endian ifdefs and define MIX_DEFAULT_FORMAT as
 AUDIO_S16SYS

---
 include/SDL_mixer.h | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/include/SDL_mixer.h b/include/SDL_mixer.h
index 59044ef3..4e83b4b6 100644
--- a/include/SDL_mixer.h
+++ b/include/SDL_mixer.h
@@ -220,11 +220,7 @@ extern DECLSPEC void SDLCALL Mix_Quit(void);
 
 /* Good default values for a PC soundcard */
 #define MIX_DEFAULT_FREQUENCY   44100
-#if SDL_BYTEORDER == SDL_LIL_ENDIAN
-#define MIX_DEFAULT_FORMAT  AUDIO_S16LSB
-#else
-#define MIX_DEFAULT_FORMAT  AUDIO_S16MSB
-#endif
+#define MIX_DEFAULT_FORMAT      AUDIO_S16SYS
 #define MIX_DEFAULT_CHANNELS    2
 #define MIX_MAX_VOLUME          SDL_MIX_MAXVOLUME /* Volume of a chunk */
 
@@ -2798,6 +2794,7 @@ extern DECLSPEC void SDLCALL Mix_CloseAudio(void);
 #ifdef __cplusplus
 }
 #endif
+
 #include "close_code.h"
 
 #endif /* SDL_MIXER_H_ */