Revert "[OPENJDK-777] Adjust Prometheus modules for 8.6 RPM scheme"

This reverts commit af7b7a9.

There are some issues with the new Prometheus packages in RHEL 8.6,
so we need to back this out to continue to build images.

Signed-off-by: Jonathan Dowland <[email protected]>

Author: jmtd

modules/prometheus/8.6.11/artifacts/opt/jboss/container/prometheus/etc/jmx-exporter-config.yaml renamed to modules/prometheus/8.2/artifacts/opt/jboss/container/prometheus/etc/jmx-exporter-config.yaml

@@ -1,7 +1,7 @@
 schema_version: 1
 
 name: jboss.container.prometheus
-version: '8.6.8'
+version: '8.2'
 description: ^
   Provides support for configuring Prometheus.  Basic usage is
   JAVA_OPTS="$JAVA_OPTS $(source $JBOSS_CONTAINER_PROMETHEUS_MODULE/prometheus-opts; get_prometheus_opts)"
@@ -25,4 +25,4 @@ execute:
 
 packages:
   install:
-    - prometheus-jmx-exporter-openjdk8
+    - prometheus-jmx-exporter