Merge pull request #4 from googleinterns/delete_unused_yaml

delete unused yaml file and test file
diff --git a/.github/workflows/code_review.yaml b/.github/workflows/code_review.yaml
deleted file mode 100644
index 4b35314..0000000
--- a/.github/workflows/code_review.yaml
+++ /dev/null
@@ -1,20 +0,0 @@
-name: code_review
-on: push
-  # Trigger the workflow on push
-  # but only for the master branch
-  #  push:
-  #    branches:
-  #      - master
-jobs:
-  createPullRequest:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@v2
-      - name: Create Pull Request
-        uses: peter-evans/create-pull-request@v2
-        with:
-          committer: GitHub <noreply@github.com>
-          author: ${{ github.actor }} <${{ github.actor }}@users.noreply.github.com>
-          branch-suffix: short-commit-hash
-          reviewers: stefanbucur, asraa, tengpengli
-
diff --git a/code_review_test b/code_review_test
deleted file mode 100644
index e69de29..0000000
--- a/code_review_test
+++ /dev/null