sokol_audio.h, sokol_spine.h: remove stdio.h include

sokol_audio.h

@@ -654,7 +654,6 @@ inline void saudio_setup(const saudio_desc& desc) { return saudio_setup(&desc);
 #include <stdlib.h> // alloc, free
 #include <string.h> // memset, memcpy
 #include <stddef.h> // size_t
-#include <stdio.h>  // stderr, fputs, only debug: fprintf
 
 #ifndef SOKOL_API_IMPL
     #define SOKOL_API_IMPL

util/sokol_spine.h

@@ -1414,7 +1414,6 @@ SOKOL_SPINE_API_DECL void sspine_set_skin(sspine_instance instance, sspine_skin
 
 #include <stdlib.h> // malloc/free
 #include <string.h> // memset, strcmp
-#include <stdio.h>  // stderr, fprintf (debug mode), fputs (release mode)
 
 // ███████╗██╗  ██╗ █████╗ ██████╗ ███████╗██████╗ ███████╗
 // ██╔════╝██║  ██║██╔══██╗██╔══██╗██╔════╝██╔══██╗██╔════╝