Update sphinx.yml

.github/workflows/sphinx.yml

@@ -1,13 +1,11 @@
 name: Update POT file
-
 on:
   workflow_dispatch:
   push:
     paths:
       - 'docs/index.rst'
     branches:
       - 'master'
-
 jobs:
   build:
     runs-on: ubuntu-latest
@@ -20,8 +18,6 @@ jobs:
         run: git config --global user.name "Github Action" && git config --global user.email '<>'
       - name: Install gettext
         run: sudo apt install gettext
-      - name: Install sphinx-intl
-        run: pip install Sphinx sphinx-intl
       - name: Run msgmerge
         run: find locales -regex ".*index\.po$"  | xargs -I "{}" msgmerge -U {} index.pot --backup=off
       - name: Commit changes