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_printf.md

@@ -1,12 +0,0 @@
----
-title: "mg_printf()"
-decl_name: "mg_printf"
-symbol_kind: "func"
-signature: |
-  int mg_printf(struct mg_connection *, const char *fmt, ...);
----
-
-Send `printf`-style formatted data to the connection.
-
-See `mg_send` for more details on send semantics. 
-