pulseaudio: eliminate <pulse/simple.h> include.

(cherry picked from commit 776a5e0d25)

src/audio/pulseaudio/SDL_pulseaudio.c

@@ -30,7 +30,6 @@
 #endif
 #include <unistd.h>
 #include <sys/types.h>
-#include <pulse/pulseaudio.h>
 
 #include "../SDL_audio_c.h"
 #include "SDL_pulseaudio.h"

src/audio/pulseaudio/SDL_pulseaudio.h

@@ -23,7 +23,7 @@
 #ifndef SDL_pulseaudio_h_
 #define SDL_pulseaudio_h_
 
-#include <pulse/simple.h>
+#include <pulse/pulseaudio.h>
 
 #include "../SDL_sysaudio.h"