Updates pbackrest metrics

Author: tony-landreth

internal/collector/generated/pgbackrest_metrics.json

@@ -36,7 +36,6 @@
           backup->'database'->>'repo-key' AS repo,
           backup->>'type' AS backup_type,
           backup->'info'->'repository'->>'delta' AS repo_backup_size_bytes,
-  # NOTE: The original query had a config_file attribute column that didn't work.
           backup->'info'->'repository'->>'size' AS repo_total_size_bytes,
           (backup->'timestamp'->>'stop')::bigint - (backup->'timestamp'->>'start')::bigint AS backup_runtime_seconds,
           CASE WHEN backup->>'error' = 'true' THEN 1 ELSE 0 END AS backup_error
@@ -102,9 +101,7 @@
         , ccp_backrest_last_full_backup
         , ccp_backrest_last_incr_backup
         , ccp_backrest_last_info
-        , ccp_backrest_oldest_full_backup
-        ;
-
+        , ccp_backrest_oldest_full_backup;
     metrics:
       - metric_name: ccp_backrest_last_diff_backup_time_since_completion_seconds 
         description: Seconds since the last completed full or differential backup. Differential is always based off last full.