Remove redundant non-requirements installs

Author: yadudoc

.github/workflows/gce_test.yaml

@@ -34,13 +34,6 @@ jobs:
         as_ascii="$(echo "${{ github.ref_name }}" | perl -pe "s/[^A-z0-9-]+/-/g; s/^-+|-+\$//g; s/--+/-/g;")"
         echo "as-ascii=$as_ascii" >> $GITHUB_OUTPUT
 
-    - name: Non-requirements based install
-      run: |
-        # libpython3.5: make workqueue binary installer happy
-        # mpich: required by radical executor
-        sudo apt-get update -q
-        sudo apt-get install -qy libpython3.5 mpich
-
     - name: setup virtual env
       run: |
         make virtualenv