Revert "Windows 10 SDK build fixes"

This reverts commit ceef0a0089.

include/config.h.w32

@@ -905,17 +905,6 @@ static const char *const rcsid[] = { (const char *)rcsid, "@(#)" msg }
 /* Define if you have the function `strtok_r'. */
 /* #define HAVE_STRTOK_R 1 */
 
-#if defined(__has_include)
-# if __has_include(<corecrt.h>)
-#  define HAVE_UCRT 1
-# endif
-#endif
-
-#ifdef HAVE_UCRT
-#define HAVE_STRTOLL 1
-#define HAVE_STRTOULL 1
-#endif
-
 /* Define to 1 if the system has the type `struct addrinfo'. */
 #define HAVE_STRUCT_ADDRINFO 1