Removed --dev flag

Author: benpoulson

.github/workflows/tests.yml

@@ -41,7 +41,7 @@ jobs:
           restore-keys: ${{ runner.os }}-composer-
 
       - name: Install Perfbase
-        run: bash -c "$(curl -fsSL https://cdn.perfbase.com/install.sh)" -- --dev
+        run: bash -c "$(curl -fsSL https://cdn.perfbase.com/install.sh)"
 
       - name: Install dependencies
         run: composer install --prefer-dist --no-progress --no-suggest