Temporarily disable appdash from docker-compose

Until I read the doc and find how to limit the retention,
otherwise it just eats all my ram and cpu and things start to fall
apart.

PUBLISHED_FROM=eb33fb44736f07b992270689217aca4af70513ff

docs/c-api/http.h/mg_printf_websocket_frame.md

@@ -1,14 +0,0 @@
----
-title: "mg_printf_websocket_frame()"
-decl_name: "mg_printf_websocket_frame"
-symbol_kind: "func"
-signature: |
-  void mg_printf_websocket_frame(struct mg_connection *nc, int op_and_flags,
-                                 const char *fmt, ...);
----
-
-Send websocket frame to the remote end.
-
-Like `mg_send_websocket_frame()`, but allows to create formatted message
-with `printf()`-like semantics. 
-