turn off otel metrics

Author: aphralG

internal/collector/otelcol.tmpl

@@ -217,6 +217,8 @@ extensions:
 service:
   {{- if .Log.Path}}
   telemetry:
+    metrics:
+      level: none
     logs:
       level: {{ .Log.Level }}
       output_paths: ["{{ .Log.Path -}}"]