Removing iteration to support older puppet versions

Author: Seth Cleveland

manifests/integrations/postgres.pp

@@ -52,15 +52,6 @@
   validate_array($tables)
   validate_array($custom_metrics)
 
-  # perform a cursory validation of the custom metrics
-  $custom_metrics.each |$metric| {
-    validate_hash($metric)
-    validate_string($metric["query"])
-    validate_bool($metric["relation"])
-    validate_array($metric["descriptors"])
-    validate_hash($metric["metrics"])
-  }
-
   file { "${datadog_agent::params::conf_dir}/postgres.yaml":
     ensure  => file,
     owner   => $datadog_agent::params::dd_user,