remove unnecessary lines

Author: bauom

pyccel/stdlib/ndarrays/ndarrays.h

@@ -10,9 +10,6 @@
 # include <stdbool.h>
 # include <stdint.h>
 
-#ifdef __cplusplus
-extern "C" {
-#endif
 /* mapping the function array_fill to the correct type */
 # define array_fill(c, arr) _Generic((c), int64_t : _array_fill_int64,\
                                         int32_t : _array_fill_int32,\
@@ -149,8 +146,4 @@ int64_t         get_index(t_ndarray arr, ...);
 int64_t     *numpy_to_ndarray_strides(int64_t *np_strides, int type_size, int nd);
 int64_t     *numpy_to_ndarray_shape(int64_t *np_shape, int nd);
 
-#ifdef __cplusplus
-}
-#endif
-
 #endif