Revert "[RUST][CI] Add rust frontend tests in Jenkins" (apache#2406)

Author: tqchen

Jenkinsfile

@@ -143,6 +143,7 @@ stage('Build') {
         timeout(time: max_time, unit: 'MINUTES') {
           sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_cpp_unittest.sh"
           sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_python_vta.sh"
+          sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_rust.sh"
           sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_golang.sh"
           sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_python_unittest.sh"
           sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_python_integration.sh"
@@ -208,17 +209,6 @@ stage('Unit Test') {
         }
       }
     }
-  },
-  'rust: CPU': {
-    node('CPU') {
-      ws('workspace/tvm/ut-rust') {
-        init_git()
-        unpack_lib('cpu', tvm_multilib)
-        timeout(time: max_time, unit: 'MINUTES') {
-          sh "${docker_run} tvmai/ci-cpu ./tests/scripts/task_rust.sh"
-        }
-      }
-    }
   }
 }