Fix typo

Author: tstellar

.github/workflows/premerge.yaml

@@ -48,9 +48,6 @@ jobs:
         run: |
           git diff --name-only HEAD~1...HEAD
           python3 .ci/compute_projects.py
-      - name: Debug2
-        run: |
-          source <$(git diff --name-only HEAD~1...HEAD | python3 .ci/compute_projects.py)
       - name: Debug2
         run: |
           source <(git diff --name-only HEAD~1...HEAD | python3 .ci/compute_projects.py)