fix: temporarily disable reporting to unblock releases (#733)

Author: stephaniewang526

synthtool/gcp/templates/java_library/.kokoro/release/stage.sh

@@ -16,8 +16,9 @@
 set -eo pipefail
 
 # Start the releasetool reporter
-python3 -m pip install gcp-releasetool
-python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
+# Disable reporting due to issue observed with Kokoro blocking releases
+# python3 -m pip install gcp-releasetool
+# python3 -m releasetool publish-reporter-script > /tmp/publisher-script; source /tmp/publisher-script
 
 source $(dirname "$0")/common.sh
 MAVEN_SETTINGS_FILE=$(realpath $(dirname "$0")/../../)/settings.xml