Update workflow

Signed-off-by: Aditya Sirish <[email protected]>

.github/workflows/run-demo.yml

@@ -19,16 +19,6 @@ jobs:
           cache-dependency-path: 'requirements.txt'
       - name: Install gittuf
         uses: gittuf/gittuf-installer@74bc31fb990a714302c6cf75f91cccdaf33961bc
-        with:
-          gittuf-version: '0.1.0'
-      - name: Install GPG
-        run: |
-          sudo apt-get update
-          sudo apt-get install -y gpg
-      - name: Install dependencies
-        run: |
-          python3 -m pip install -U pip
-          python3 -m pip install -r requirements.txt
       - name: Run demo with --no-prompt
         run: |
           python3 run-demo.py --no-prompt