Update azure-pipelines.yml for Azure Pipelines

azure-pipelines.yml

@@ -18,14 +18,6 @@ steps:
 - script: echo Hello, world!
   displayName: 'Run a one-line script'
 
-- script: |
-    echo abc > test
-    git add test
-    git commit -m "test"
-    git checkout -b test
-    git push origin test
-  displayName: 'Test push'
-
 - script: |
     echo Add other tasks to build, test, and deploy your project.
     echo See https://aka.ms/yaml