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_next.md

@@ -1,20 +0,0 @@
----
-title: "mg_next()"
-decl_name: "mg_next"
-symbol_kind: "func"
-signature: |
-  struct mg_connection *mg_next(struct mg_mgr *, struct mg_connection *);
----
-
-Iterate over all active connections.
-
-Returns next connection from the list
-of active connections, or `NULL` if there is no more connections. Below
-is the iteration idiom:
-
-```c
-for (c = mg_next(srv, NULL); c != NULL; c = mg_next(srv, c)) {
-  // Do something with connection `c`
-}
-``` 
-