fix: remove mysql conf

.github/workflows/test.yml

@@ -45,12 +45,6 @@ jobs:
       - name: Install mysql client
         run: sudo apt-get install -y mysql-client
 
-      - name: Write database conf file
-        run: |
-          echo "[client]" >> misp.cnf
-          echo "user=misp" >> misp.cnf
-          echo "password=misp" >> misp.cnf
-
       - name: Install composer packages
         run: composer install --no-interaction --no-progress --no-suggest