Breaking: Remove pybzar as a barcode reader (#12065)

.github/workflows/ci-backend.yml

@@ -55,7 +55,7 @@ jobs:
         run: |
           sudo apt-get update -qq
           sudo apt-get install -qq --no-install-recommends \
-            unpaper tesseract-ocr imagemagick ghostscript libzbar0 poppler-utils
+            unpaper tesseract-ocr imagemagick ghostscript poppler-utils
       - name: Configure ImageMagick
         run: |
           sudo cp docker/rootfs/etc/ImageMagick-6/paperless-policy.xml /etc/ImageMagick-6/policy.xml