Simplify build call

Since a while gettext_compact is in the config

Author: m-aciek

.github/workflows/update-lint-and-build.yml

@@ -102,7 +102,7 @@ jobs:
           path: Doc/locales/pl/LC_MESSAGES
       - run: git pull
         working-directory: ./Doc/locales/pl/LC_MESSAGES
-      - run: make -e SPHINXOPTS="--color -D language='pl' -D gettext_compact=0 -W --keep-going" ${{ matrix.format }}
+      - run: make -e SPHINXOPTS="--color -D language='pl' -W --keep-going" ${{ matrix.format }}
         working-directory: ./Doc
       - uses: actions/upload-artifact@master
         if: success() || failure()