Removed the `index` and `type` URL parameters for the "delete by query" API

rest-api-spec/api/delete_by_query.json

@@ -27,10 +27,6 @@
           "default" : "none",
           "description" : "When performed on multiple indices, allows to ignore `missing` ones"
         },
-        "index": {
-          "type" : "list",
-          "description" : "A comma-separated list of indices to restrict the operation"
-        },
         "replication": {
           "type" : "enum",
           "options" : ["sync","async"],
@@ -48,10 +44,6 @@
         "timeout": {
           "type" : "time",
           "description" : "Explicit operation timeout"
-        },
-        "type": {
-          "type" : "list",
-          "description" : "A comma-separated list of document types to restrict the operation"
         }
       }
     },