Fix workflow

Author: Cristian Daniel Fadón

.github/workflows/unstable.yml

@@ -28,9 +28,6 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Create build version
-        run: echo "BUILD_VERSION=$(cat package.json | grep version | head -1 | awk '{ print $2 }' | sed 's/[\",]//g' | tr -d '[[:space:]]')" >> $GITHUB_ENV
-
       - name: Get short hash
         run: echo "SHORT_SHA=$(git rev-parse --short HEAD)" >> $GITHUB_ENV