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/http.h/mg_http_parse_header.md

@@ -1,23 +0,0 @@
----
-title: "mg_http_parse_header()"
-decl_name: "mg_http_parse_header"
-symbol_kind: "func"
-signature: |
-  int mg_http_parse_header(struct mg_str *hdr, const char *var_name, char *buf,
-                           size_t buf_size);
----
-
-Parse HTTP header `hdr`. Find variable `var_name` and store it's value
-in the buffer `buf`, `buf_size`. Return 0 if variable not found, non-zero
-otherwise.
-
-This function is supposed to parse
-cookies, authentication headers, etcetera. Example (error handling omitted):
-
-    char user[20];
-    struct mg_str *hdr = mg_get_http_header(hm, "Authorization");
-    mg_http_parse_header(hdr, "username", user, sizeof(user));
-
-Return length of the variable's value. If buffer is not large enough,
-or variable not found, 0 is returned. 
-