docs: fix links to OpenTelemetry Metrics documentation

Signed-off-by: Craig Rodrigues <[email protected]>

README.md

@@ -544,7 +544,7 @@ Apache 2.0 - See [LICENSE][license-url] for more information.
 [compliance-matrix]: https://github.com/open-telemetry/opentelemetry-specification/blob/main/spec-compliance-matrix.md
 [CONTRIBUTING]: https://github.com/open-telemetry/opentelemetry-js/blob/main/CONTRIBUTING.md
 
-[otel-metrics]: https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-sdk-metrics
+[otel-metrics]: https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/sdk-metrics
 [otel-node]: https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-node
 
 [otel-instrumentation-fetch]: https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-instrumentation-fetch

experimental/examples/prometheus/README.md

@@ -54,7 +54,7 @@ If you are using the default configurations, the prometheus client will be avail
 ## Useful links
 
 - For more information on OpenTelemetry, visit: <https://opentelemetry.io/>
-- For more information on OpenTelemetry metrics, visit: <https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-sdk-metrics>
+- For more information on OpenTelemetry metrics, visit: <https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/sdk-metrics>
 - For more information on OpenTelemetry for Node.js, visit: <https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/opentelemetry-sdk-trace-node>
 
 ## LICENSE

experimental/packages/opentelemetry-exporter-prometheus/README.md

@@ -5,7 +5,7 @@
 
 **Note: This is an experimental package under active development. New releases may include breaking changes.**
 
-The OpenTelemetry Prometheus Metrics Exporter allows the user to send collected [OpenTelemetry Metrics](https://github.com/open-telemetry/opentelemetry-js/tree/main/experimental/packages/opentelemetry-sdk-metrics) to Prometheus.
+The OpenTelemetry Prometheus Metrics Exporter allows the user to send collected [OpenTelemetry Metrics](https://github.com/open-telemetry/opentelemetry-js/tree/main/packages/sdk-metrics) to Prometheus.
 
 [Prometheus](https://prometheus.io/) is a monitoring system that collects metrics, by scraping exposed endpoints at regular intervals, evaluating rule expressions. It can also trigger alerts if certain conditions are met. For assistance setting up Prometheus, [Click here](https://opencensus.io/codelabs/prometheus/#0) for a guided codelab.