e2e: disable coverage upload (#5758)

ci/pull_e2e_kind.groovy

@@ -191,28 +191,6 @@ def build(String name, String code, Map resources = e2ePodResources) {
  ${code}
  """
  }
- stage('Coverage') {
- withCredentials([
- string(credentialsId: "tp-codecov-token", variable: 'CODECOV_TOKEN')
- ]) {
- sh """#!/bin/bash
- echo "info: list all coverage files"
- ls -dla /kind-data/control-plane/coverage/*
- ls -dla /kind-data/worker1/coverage/*
- ls -dla /kind-data/worker2/coverage/*
- ls -dla /kind-data/worker3/coverage/*
- echo "info: merging coverage files"
- cp /kind-data/control-plane/coverage/*.cov /tmp
- cp /kind-data/worker1/coverage/*.cov /tmp
- cp /kind-data/worker2/coverage/*.cov /tmp
- cp /kind-data/worker3/coverage/*.cov /tmp
- ./bin/gocovmerge /tmp/*.cov > /tmp/coverage.txt
- source EXPORT_GIT_COMMIT
- echo "info: uploading coverage to codecov"
- bash <(curl -s https://codecov.io/bash) -t ${CODECOV_TOKEN} -F e2e -n tidb-operator -f /tmp/coverage.txt
- """
- }
- }
  }
  } finally {
  stage('Artifacts') {
@@ -370,7 +348,6 @@ try {
  export CUSTOM_PORT_DRAINER=${CUSTOM_PORT_DRAINER}
  export CUSTOM_PORT_TICDC=${CUSTOM_PORT_TICDC}
  E2E=y make build e2e-build
- make gocovmerge
  """
  }
  }