chore: remove docLava v2 doc generation (#964)

* chore: remove docLava v2 doc generation

Not using this anymore and it is causing some issues in pubsublite

* chore: removing v2 doclava bucket config

Author: eaball35

synthtool/gcp/templates/java_library/.kokoro/release/publish_javadoc.cfg

@@ -7,12 +7,6 @@ env_vars: {
   value: "docs-staging"
 }
 
-# cloud-rad staging
-env_vars: {
-  key: "STAGING_BUCKET_V2"
-  value: "docs-staging-v2-staging"
-}
-
 env_vars: {
   key: "TRAMPOLINE_BUILD_FILE"
   value: "github/{{ metadata['repo']['repo_short'] }}/.kokoro/release/publish_javadoc.sh"
@@ -26,4 +20,4 @@ before_action {
       keyname: "docuploader_service_account"
     }
   }
-}
+}

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

@@ -56,22 +56,3 @@ python3 -m docuploader create-metadata \
 python3 -m docuploader upload . \
   --credentials ${CREDENTIALS} \
   --staging-bucket ${STAGING_BUCKET}
-
-popd
-
-# V2 due to problems w/ the released javadoc plugin doclava, Java 8 is required.  Beware of accidental updates.
-
-mvn clean site -B -q -Ddevsite.template="${KOKORO_GFILE_DIR}/java/"
-
-pushd target/devsite/reference
-
-# create metadata
-python3 -m docuploader create-metadata \
-  --name ${NAME} \
-  --version ${VERSION} \
-  --language java
-
-# upload docs to staging bucket
-python3 -m docuploader upload . \
-  --credentials ${CREDENTIALS} \
-  --staging-bucket ${STAGING_BUCKET_V2}