try running CI without install_prereqs script on pip

Author: tyler-yankee

.github/workflows/pip.yml

@@ -28,10 +28,10 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.12'
-      - name: pip setup
-        working-directory: drake_pip
-        run: setup/install_prereqs
-        shell: zsh -efuo pipefail {0}
+      # - name: pip setup
+      #   working-directory: drake_pip
+      #   run: setup/install_prereqs
+      #   shell: zsh -efuo pipefail {0}
       - name: pip build and test
         working-directory: drake_pip
         run: .github/ci_build_test

drake_pip/.github/ubuntu_setup

@@ -8,4 +8,4 @@ echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/90-get-assume-yes
 
 export DEBIAN_FRONTEND='noninteractive'
 
-setup/install_prereqs
+# setup/install_prereqs

drake_pip/.github/workflows/ci.yml

@@ -39,10 +39,10 @@ jobs:
         uses: actions/setup-python@v5
         with:
           python-version: '3.12'
-      - name: pip setup
-        working-directory: drake_pip
-        run: setup/install_prereqs
-        shell: zsh -efuo pipefail {0}
+      # - name: pip setup
+      #   working-directory: drake_pip
+      #   run: setup/install_prereqs
+      #   shell: zsh -efuo pipefail {0}
       - name: pip build and test
         working-directory: drake_pip
         run: .github/ci_build_test