[CI] Remove unused PATH env configuration from build-and-run workflow

Author: mikepapadim

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

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