Revert "Update generate_pr_gold.yml with git lfs"

This reverts commit cffd659.

.github/workflows/generate_pr_gold.yml

@@ -25,8 +25,6 @@ jobs:
       with:
           just-version: 1.26.0
 
-
-
     - name: Compile and Install ldmx-sw
       run: | 
         just install-denv init configure-force-error
@@ -83,9 +81,6 @@ jobs:
     needs: [generation]
     runs-on: ubuntu-latest
     steps:
-    - name: Install Git LFS
-      run: git lfs install
-
     - name: Checkout ldmx-sw
       uses: actions/checkout@v4
       with:
@@ -124,9 +119,6 @@ jobs:
           mv ${sample_d}/hist.root .github/validation_samples/${sample}/gold.root
           mv ${sample_d}/output.log .github/validation_samples/${sample}/gold.log
         done
-        git lfs track ".github/validation_samples/*/gold.log"
-        git lfs track ".github/validation_samples/*/gold.root"
-        git add .gitattributes
         git add .github/validation_samples/*/gold.*
         end_group
         start_group Set Outputs