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/net.h/mg_event_handler_t.md

@@ -1,11 +0,0 @@
----
-title: "mg_event_handler_t"
-decl_name: "mg_event_handler_t"
-symbol_kind: "typedef"
-signature: |
-  typedef void (*mg_event_handler_t)(struct mg_connection *, int ev, void *);
----
-
-Callback function (event handler) prototype, must be defined by user.
-Mongoose calls event handler, passing events defined below. 
-