remove unnecessary groks

resources/elk6/pipeline/1000_nessus_process_file.conf

@@ -33,13 +33,6 @@ filter {
       remove_field => ["scan_time"]
     }
 
-    #If using filebeats as your source, you will need to replace the "path" field to "source"
-    # Remove when scan name is included in event (current method is error prone)
-    grok {
-      match => { "path" => "([a-zA-Z0-9_.\-]+)_%{INT}_%{INT:history_id}_%{INT}.json$" }
-      tag_on_failure => []
-    }
-
     mutate {
       convert => { "cvss" => "float"}
       convert => { "cvss_base" => "float"}