revert CI (#54)

* Revert ":green_heart: Fix CI: push with valid signatures (#52)"

This reverts commit 8b3a3ad.

* Revert "Fix CI: fix invalid user name (#53)"

This reverts commit a9f9164.

.github/workflows/build.yml

@@ -32,11 +32,11 @@ jobs:
       - name: commit and push
         run: |
           sha=`make vald/sha/print`
-          git config --global user.name 'vdaas-ci'
-          git config --global user.email 'vald@vdaas.org'
+          git config --global user.name 'VDaaS org'
+          git config --global user.email 'ci@vdaas.org'
           git remote set-url origin https://${GITHUB_USER}:${GITHUB_TOKEN}@github.com/$GITHUB_REPOSITORY
           git add .
-          git commit -S -m "Update [vald sha: ${sha}]"
+          git commit -m "Update [vald sha: ${sha}]"
           git push
         env:
           GITHUB_USER: ${{ secrets.CI_USER }}