Update line numbers in honeycomb config so they're not confusing (#456)

Author: cartermp

src/docs/components/otlp-exporter.mdx

@@ -226,7 +226,7 @@ The configuration will take place in the OTLP exporter in the Collector config Y
 
 To send trace data, all you need is the API key for your Environment:
 
-```yaml lineNumbers=true highlight={7,9}
+```yaml lineNumbers=true highlight={7}
 # Honeycomb Collector configuration
 exporters:
   otlp/traces:
@@ -245,7 +245,7 @@ service:
 
 To send metrics data, you also need to specify the dataset for metrics data:
 
-```yaml lineNumbers=true highlight={7,9}
+```yaml lineNumbers=true highlight={7,8}
 # Honeycomb Collector configuration
 exporters:
   otlp/metrics: