remove redundancy

Author: yen-hsiang-chang

azure-pipelines.yml

@@ -5,7 +5,6 @@ jobs:
   - bash: |
      docker login -u $(DOCKER_USERNAME) -p $(DOCKER_PASSWORD)
      cd dockerfiles
-     make docker_pull_cpu
      make docker_build_cpu
      ./push.sh docker_push_cpu
 - job: GPU
@@ -14,7 +13,6 @@ jobs:
   - bash: |
      docker login -u $(DOCKER_USERNAME) -p $(DOCKER_PASSWORD)
      cd dockerfiles
-     make docker_pull_gpu
      make docker_build_gpu
      ./push.sh docker_push_gpu
 - job: Update_Microbadger