Revert "block kibana routes with write access in proxy"

This reverts commit be27b4a.

Did break the ability to insert saved_objects to kibana!

proxy/Caddyfile

@@ -44,16 +44,6 @@
 }
 
 {$WEB_DOMAIN}/kibana {
-  # block kibana write access endpoints
-  rewrite /api/console/proxy /BLOCKED
-  rewrite /api/logstash/.* /BLOCKED
-  rewrite /api/security/.* /BLOCKED
-  rewrite /api/saved_objects {
-    if {method} not GET
-    if {path} not_match /api/saved_objects/_bulk_get
-    to /BLOCKED
-  }
-
   header / {
     X-XSS-Protection "1; mode=block"
     X-Content-Type-Options "nosniff"