[CI] Simplify checkout step in build-and-run workflow

Author: mikepapadim

.github/workflows/build-and-run.yml

@@ -19,11 +19,10 @@ jobs:
 
     steps:
       - name: Checkout GPULlama3
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
         with:
-          repository: beehive-lab/GPULlama3.java
           fetch-depth: 0
-          git-clone: true   # forces git clone instead of archive download
 
       - name: Clone TornadoVM explicitly
         run: |