Remove apt install of libenchant-2-dev to fix CI (#185)

Author: bdraco

.github/workflows/reusable-linters.yml

@@ -78,7 +78,6 @@ jobs:
         fail_ci_if_error: true
     - name: Install spell checker
       run: |
-        sudo apt install libenchant-2-dev
         pip install -r requirements/doc-spelling.txt
     - name: Run docs spelling
       run: |