[Test] Revomed verification of batch metric fields that in fast test can't be created (1 minute and more intervals)

Author: andsel

logstash-core/spec/logstash/api/modules/node_stats_spec.rb

@@ -152,19 +152,13 @@
          "event_count" => {
            "current" => Numeric,
            "average" => {
-             "lifetime" => Numeric,
-             "1_minute" => Numeric,
-             "5_minutes" => Numeric,
-             "15_minutes" => Numeric
+             "lifetime" => Numeric
            }
          },
          "byte_size" => {
            "current" => Numeric,
            "average" => {
-             "lifetime" => Numeric,
-             "1_minute" => Numeric,
-             "5_minutes" => Numeric,
-             "15_minutes" => Numeric
+             "lifetime" => Numeric
            }
          }
        }