Revert adservice local batch processor (open-telemetry#6)

* Revert "Merge pull request open-telemetry#1 from jack-berg/adservice-local-trace-batching-processor"

This reverts commit cd3efeb, reversing
changes made to 7d8ab92.

* Revert "revert changes to .env"

This reverts commit 05e85fb.

* Revert "Adservice uses local trace batching processor"

This reverts commit bee2d31.

.env

@@ -19,7 +19,7 @@ PUBLIC_OTEL_EXPORTER_OTLP_TRACES_ENDPOINT=http://localhost:8080/otlp-http/v1/tra
 OTEL_RESOURCE_ATTRIBUTES="service.namespace=opentelemetry-demo"
 
 # Metrics Temporality
-OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE=delta
+OTEL_EXPORTER_OTLP_METRICS_TEMPORALITY_PREFERENCE=cumulative
 
 # ******************
 # Core Demo Services

src/adservice/Dockerfile

@@ -4,16 +4,6 @@
 
 FROM eclipse-temurin:21-jdk as builder
 
-WORKDIR /usr/src/
-
-RUN apt-get update && apt-get install unzip
-
-RUN curl -L https://github.com/jack-berg/opentelemetry-java-contrib/archive/refs/heads/local-trace-batch-processor.zip --output contrib.zip \
-     && unzip contrib.zip \
-     && mv opentelemetry-java-contrib-local-trace-batch-processor ./contrib \
-     && cd contrib \
-     && ./gradlew :processors:assemble
-
 WORKDIR /usr/src/app/
 
 COPY ./src/adservice/gradlew* ./src/adservice/settings.gradle* ./src/adservice/build.gradle .
@@ -34,9 +24,8 @@ ARG version=1.31.0
 WORKDIR /usr/src/app/
 
 COPY --from=builder /usr/src/app/ ./
-COPY --from=builder /usr/src/contrib/processors/build/libs/local-trace-batch-processor.jar ./local-trace-batch-processor.jar
 ADD https://github.com/open-telemetry/opentelemetry-java-instrumentation/releases/download/v$version/opentelemetry-javaagent.jar /usr/src/app/opentelemetry-javaagent.jar
-ENV JAVA_TOOL_OPTIONS="-javaagent:/usr/src/app/opentelemetry-javaagent.jar -Dotel.javaagent.extensions=/usr/src/app/local-trace-batch-processor.jar"
+ENV JAVA_TOOL_OPTIONS=-javaagent:/usr/src/app/opentelemetry-javaagent.jar
 
 EXPOSE ${AD_SERVICE_PORT}
 ENTRYPOINT [ "./build/install/opentelemetry-demo-ad-service/bin/AdService" ]