Remove leftover unused function

Author: TysonAndre

ext/spl/spl_deque.c

@@ -95,11 +95,6 @@ static void DEBUG_ASSERT_CONSISTENT_DEQUE(const spl_deque_entries *array) {
 #define DEBUG_ASSERT_CONSISTENT_DEQUE(array) do {} while(0)
 #endif
 
-static zend_always_inline zval* spl_deque_get_offset_entries(const spl_deque_entries *array) {
-	DEBUG_ASSERT_CONSISTENT_DEQUE(array);
-	return &array->circular_buffer[array->offset];
-}
-
 static zend_always_inline zval* spl_deque_get_entry_at_offset(const spl_deque_entries *array, size_t offset) {
 	DEBUG_ASSERT_CONSISTENT_DEQUE(array);
 	ZEND_ASSERT(offset < array->size);