Remove config_unix.h since the things it was working around were fixed years ago

aegisub/src/agi_pre.h

@@ -179,6 +179,7 @@
 #include <wx/string.h>
 #include <wx/sysopt.h>
 #include <wx/textctrl.h>
+#include <wx/textdlg.h>
 #include <wx/textfile.h>
 #include <wx/tglbtn.h>
 #include <wx/thread.h>

aegisub/src/config.h

@@ -18,9 +18,6 @@
 // Generated by configure.in
 #include "../acconf.h"
 
-// Unix specific settings and defines.
-#include "config/config_unix.h"
-
 #endif // __WINDOWS__
 
 #endif // AGI_PRE

aegisub/src/config/config_unix.h

@@ -1,27 +0,0 @@
-#pragma once
-
-#ifndef _DEFINES_H
-#define _DEFINES_H
-
-#define __AVISYNTH_H__
-#define WX_PRECOMP
-
-#include "acconf.h"
-
-#ifdef HAVE_STDINT_H
-#define __STDC_CONSTANT_MACROS 1
-#include <stdint.h>
-#endif
-#ifdef HAVE_INTTYPES_H
-#include <inttypes.h>
-#endif
-
-// These shouldn't be needed any longer, if there are
-// any occurrences of __int64 replace them with long long.
-//typedef int64_t __int64;
-//typedef uint64_t __uint64;
-#define abs64 llabs
-
-#endif /* _DEFINES_H */
-
-