[no-relnote] Remove unused LABEL_IMAGE_SOURCE

Signed-off-by: Evan Lezar <[email protected]>

Author: elezar

.github/workflows/image.yaml

@@ -95,9 +95,6 @@ jobs:
         run: |
           echo "COMMIT_SHORT_SHA=${GITHUB_SHA:0:8}" >> $GITHUB_ENV
           echo "LOWERCASE_REPO_OWNER=$(echo "${GITHUB_REPOSITORY_OWNER}" | awk '{print tolower($0)}')" >> $GITHUB_ENV
-          REPO_FULL_NAME="${{ github.event.pull_request.head.repo.full_name }}"
-          echo "${REPO_FULL_NAME}"
-          echo "LABEL_IMAGE_SOURCE=https://github.com/${REPO_FULL_NAME}" >> $GITHUB_ENV
 
           PUSH_ON_BUILD="false"
           BUILD_MULTI_ARCH_IMAGES="false"