deleted unsued file

roles/haproxy/files/haproxy.cfg

-global
-  quiet
-
-defaults
-  mode http
-  maxconn 5000
-
-  timeout connect 5s
-  timeout client  20s
-  timeout server  20s
-
-frontend public
-    bind *:80
-    default_backend apps
-
-backend apps
-    server nifi_1 nifi_1:8080 check