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/struct_mg_mgr.md

@@ -1,21 +0,0 @@
----
-title: "struct mg_mgr"
-decl_name: "struct mg_mgr"
-symbol_kind: "struct"
-signature: |
-  struct mg_mgr {
-    struct mg_connection *active_connections;
-    const char *hexdump_file; /* Debug hexdump file path */
-  #ifndef MG_DISABLE_SOCKETPAIR
-    sock_t ctl[2]; /* Socketpair for mg_wakeup() */
-  #endif
-    void *user_data; /* User data */
-    void *mgr_data;  /* Implementation-specific event manager's data. */
-  #ifdef MG_ENABLE_JAVASCRIPT
-    struct v7 *v7;
-  #endif
-  };
----
-
-Mongoose event manager. 
-