remove extra newline

cswatt · web-flow · commit 03cef68e8b60 · 2020-12-08T07:15:34.000-08:00
diff --git a/content/en/tracing/trace_retention_and_ingestion/usage_metrics.md b/content/en/tracing/trace_retention_and_ingestion/usage_metrics.md
@@ -18,7 +18,6 @@ To create a custom dashboard or monitor, the key metrics to use are:
  - `datadog.estimated_usage.apm.ingested_spans`
  - `datadog.estimated_usage.apm.indexed_spans`
 
-
 ### Indexed Spans
 
 {{< img src="tracing/trace_indexing_and_ingestion/RetentionFilters.png" style="width:100%;" alt="Span Indexing" >}}
