Drop new windows specific code

Author: Girgias

Zend/zend_portability.h

@@ -357,18 +357,6 @@ char *alloca();
 	do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
 # define free_alloca(p, use_heap) \
 	do { if (UNEXPECTED(use_heap)) efree(p); } while (0)
-#elif defined(PHP_WIN32)
-# define ZEND_ALLOCA_MAX_SIZE (32 * 1024)
-# define ALLOCA_FLAG(name) \
-	bool name;
-# define SET_ALLOCA_FLAG(name) \
-	name = true
-# define do_alloca_ex(size, limit, use_heap) \
-	((use_heap = (UNEXPECTED((size) > (limit)))) ? emalloc(size) : _malloca(size))
-# define do_alloca(size, use_heap) \
-	do_alloca_ex(size, ZEND_ALLOCA_MAX_SIZE, use_heap)
-# define free_alloca(p, use_heap) \
-	do { if (UNEXPECTED(use_heap)) { efree(p); } else {  _freea(p); } } while (0)
 #else
 # define ALLOCA_FLAG(name)
 # define SET_ALLOCA_FLAG(name)