Fix a couple of links (#799)

Author: trask

resource-detection-gcp/README.md

@@ -1,6 +1,6 @@
 # Resource Detection Example - GCP
 
-An example application that shows what resource attributes will be detected by the [GCP Resource Detector](https://github.com/open-telemetry/opentelemetry-java-contrib/tree/main/gcp-resources) and how the [Autoconfigure Resource Provider SPI](https://github.com/open-telemetry/opentelemetry-java/tree/main/sdk-extensions/autoconfigure#resource-provider-spi) automatically *attaches* the detected resource attributes to the generated telemetry.
+An example application that shows what resource attributes will be detected by the [GCP Resource Detector](https://github.com/open-telemetry/opentelemetry-java-contrib/tree/main/gcp-resources) and how the [Autoconfigure Resource Provider SPI](https://opentelemetry.io/docs/languages/java/configuration/#spi-service-provider-interface) automatically *attaches* the detected resource attributes to the generated telemetry.
 
 *For users looking to use the GCP Resource Detector with OpenTelemetry Java Agent for automatic instrumentation, refer to the instructions [here](https://opentelemetry.io/docs/languages/java/automatic/configuration/#enable-resource-providers-that-are-disabled-by-default).*
 
@@ -83,7 +83,7 @@ The detected resource attributes would depend on the environment in which the ap
 
 ## Viewing the result
 
-The example produces a single span and uses [logging OTLP JSON exporter](https://github.com/open-telemetry/opentelemetry-java/blob/main/sdk-extensions/autoconfigure/README.md#logging-otlp-json-exporter) to export the produced span.
+The example produces a single span and uses [logging OTLP JSON exporter](https://opentelemetry.io/docs/languages/java/configuration/#properties-exporters) to export the produced span.
 After running the example successfully, you should see the emitted span in JSON form via JUL. It should look something like:
 
 ```

telemetry-testing/README.md

@@ -32,7 +32,7 @@ Gradle build script contains a task to download the OpenTelemetry Java Agent jar
 Additionally, the OpenTelemetry is configured with properties:
  - otel.exporter.otlp.protocol=http/protobuf - set up the telemetry protocol, default is grpc
  - otel.metric.export.interval=5000 - set up the interval, between the start of two export attempts, default is 60s
-More information about the configuration can be found in this [OpenTelemetry doc](https://github.com/open-telemetry/opentelemetry-java/blob/main/sdk-extensions/autoconfigure/README.md#otlp-exporter-span-metric-and-log-exporters).
+More information about the configuration can be found in this [OpenTelemetry doc](https://opentelemetry.io/docs/languages/java/configuration/#properties-exporters).
 
 The MockServer library is used to mock the collector web server. It's configured with port `4318`, because for 
 `http/protobuf` protocol, the otel exporter endpoint is by default set to `http://localhost:4318`.