httpd: Remove obsolete enum

Un-named enum contains HTTPD_CLIENT_FILE and HTTPD_CLIENT_STREAM,
which became obsolete in 56ee33a212,
replaced with the b_stream_mode boolean.

Signed-off-by: Jean-Baptiste Kempf <jb@videolan.org>

src/network/httpd.c

@@ -135,13 +135,6 @@ enum
     HTTPD_CLIENT_TLS_HS_OUT
 };
 
-/* mode */
-enum
-{
-    HTTPD_CLIENT_FILE,      /* default */
-    HTTPD_CLIENT_STREAM,    /* regulary get data from cb */
-};
-
 struct httpd_client_t
 {
     httpd_url_t *url;