Remove redundant env set

Author: shethj

.github/workflows/nightly_release.yml

@@ -26,7 +26,6 @@ jobs:
           echo "monorepo_version_base=$version" >> "$GITHUB_ENV"
           version_major=`echo "$version" | cut -d "." -f 1`
           echo "monorepo_version_major=$version_major" >> "$GITHUB_ENV"
-          echo "nightly_version=${{ env.monorepo_version_base }}-nightly-${{ env.release_timestamp }}" ?? "$GITHUB_ENV"
 
       - name: Get nightly version
         run:  echo "nightly_version=${{ env.monorepo_version_base }}-nightly-${{ env.release_timestamp }}" >> "$GITHUB_ENV"