msvcrt: Removed pf_vnsprintf internal function.

dlls/msvcrt/msvcrt.h

@@ -916,24 +916,6 @@ void __cdecl MSVCRT__invalid_parameter(const MSVCRT_wchar_t *expr, const MSVCRT_
 #define MSVCRT_CHECK_PMT(x)   ((x) || (MSVCRT_INVALID_PMT(0),FALSE))
 #endif
 
-typedef struct pf_output_t
-{
-    int used;
-    int len;
-    BOOL unicode;
-    union {
-        LPWSTR W;
-        LPSTR  A;
-    } buf;
-    union {
-        LPWSTR W;
-        LPSTR  A;
-    } grow;
-} pf_output;
-
-int pf_vsnprintf( pf_output *out, const WCHAR *format,
-                  MSVCRT__locale_t locale, BOOL valid, __ms_va_list valist );
-
 typedef int (*puts_clbk_a)(void*, int, const char*);
 typedef int (*puts_clbk_w)(void*, int, const MSVCRT_wchar_t*);
 typedef union _printf_arg