chore: update repo semaphore task

.semaphore/cp_dockerfile_build.yml

@@ -61,11 +61,7 @@ global_job_config:
       - export PACKAGING_BUILD_ARGS=" -DCONFLUENT_VERSION=$CONFLUENT_VERSION  -DCONFLUENT_PLATFORM_LABEL=$PLATFORM_LABEL -DCONFLUENT_DEB_VERSION=$CONFLUENT_DEB_VERSION  -DALLOW_UNSIGNED=$ALLOW_UNSIGNED"
       - >-
         if [[ $IS_RELEASE && $PACKAGING_BUILD_NUMBER ]]; then
-          if [[ $IS_BETA ]]; then
-              export MAVEN_PACKAGES_URL="https://s3.us-west-2.amazonaws.com/jenkins-confluent-packages-beta-maven/$BRANCH_TAG/$PACKAGING_BUILD_NUMBER/maven"
-          elif [[ $IS_PREVIEW ]]; then
-              export MAVEN_PACKAGES_URL="https://s3.us-west-2.amazonaws.com/jenkins-confluent-packages-alpha-maven/$BRANCH_NAME/$PACKAGING_BUILD_NUMBER/maven"
-          elif [[ $IS_RC ]]; then
+          if [[ $IS_RC ]]; then
               export MAVEN_PACKAGES_URL="https://s3.us-west-2.amazonaws.com/staging-confluent-packages-maven-654654529379-us-west-2/v$BRANCH_NAME/maven"
               if [[ $PACKAGES_MAVEN_URL ]]; then
                   export MAVEN_PACKAGES_URL=$PACKAGES_MAVEN_URL
@@ -74,7 +70,7 @@ global_job_config:
           # Overwrite maven global configuration
           . vault-sem-get-secret maven-settings-cp-dockerfile
         else
-          echo "This job is not a isBetaJob, isPreviewJob, isHotfixJob, or isRcJob (What we know how to handle) - and we don't know how to handle it"
+          echo "This job is not a isHotfixJob or isRcJob (What we know how to handle) - and we don't know how to handle it"
         fi
       - export DOCKER_DEV_REGISTRY="519856050701.dkr.ecr.us-west-2.amazonaws.com/docker/dev/"
       - export DOCKER_PROD_REGISTRY="519856050701.dkr.ecr.us-west-2.amazonaws.com/docker/prod/"