Remove OptsLib.php and update GitHub action

.github/workflows/ncc_workflow.yml

@@ -69,6 +69,19 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
+      - name: Check for phpunit.xml
+        id: file_check
+        run: |
+          if [ -f phpunit.xml ]; then
+            echo "::set-output name=exists::true"
+          else
+            echo "::set-output name=exists::false"
+          fi
+
+      - name: Skip if no phpunit.xml
+        if: steps.file_check.outputs.exists == 'false'
+        run: exit 78
+
       - name: Download build artifacts
         uses: actions/download-artifact@v4
         with:
@@ -114,7 +127,6 @@ jobs:
           ncc package install --package="OptsLib_build/net.nosial.optslib.ncc" --build-source --reinstall -y --log-level debug
 
       - name: Run PHPUnit tests
-        if: files.exists('phpunit.xml')
         run: |
           wget https://phar.phpunit.de/phpunit-11.3.phar
           php phpunit-11.3.phar --configuration phpunit.xml

src/OptsLib.php

@@ -1,8 +0,0 @@
-<?php
-
-    namespace OptsLib;
-
-    class OptsLib
-    {
-
-    }