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/intro.md

@@ -1,12 +0,0 @@
----
-title: "Core: TCP/UDP/SSL"
-symbol_kind: "intro"
-decl_name: "net.h"
----
-
-NOTE: Mongoose manager is single threaded. It does not protect
-its data structures by mutexes, therefore all functions that are dealing
-with particular event manager should be called from the same thread,
-with exception of `mg_broadcast()` function. It is fine to have different
-event managers handled by different threads.
-