clean(tools): cleanup deploy_terraform circleci jobs and script

Signed-off-by: Massimiliano Giovagnoli <[email protected]>

.circleci/config.yml

@@ -0,0 +1,26 @@
+version: 2
+jobs:
+  "test-infra/deploy/prow":
+    docker:
+      - image: amazon/aws-cli:2.6.3
+    steps:
+      - checkout
+      - run:
+          name: Deploy prow
+          command: |
+            yum update -y
+            yum install jq unzip git wget curl which make golang -y
+            wget "https://storage.googleapis.com/kubernetes-release/release/$(curl -s https://storage.googleapis.com/kubernetes-release/release/stable.txt)/bin/linux/amd64/kubectl" -O /usr/local/bin/kubectl
+            chmod +x /usr/local/bin/kubectl
+            ./tools/deploy_prow.sh
+workflows:
+  version: 2
+  build:
+    jobs:
+      - "test-infra/deploy/prow":
+          requires:
+            - test-infra/deploy/terraform
+          context: test-infra
+          filters:
+            branches:
+              only: master