[azurepipeline]: Add t0-sonic pool back to Azp checker (#11181)

Why I did it
The t0-sonic pool has been fixed, so add it back to azp checker.

How I did it
Remove continueOnError in run-test-template.yml.

Signed-off-by: Ze Gan <ganze718@gmail.com>

.azure-pipelines/run-test-template.yml

@@ -51,8 +51,6 @@ steps:
     rm -rf $(Build.ArtifactStagingDirectory)/*
     docker exec sonic-mgmt bash -c "/data/sonic-mgmt/tests/kvmtest.sh -en -T ${{ parameters.tbtype }} ${{ parameters.tbname }} ${{ parameters.dut }} ${{ parameters.section }}"
   displayName: "Run tests"
-  ${{ if eq(parameters.tbtype, 't0-sonic') }}:
-      continueOnError: true
 
 - script: |
     # save dut state if test fails