[caffe2] temp remove ErrorPlanWithCancellableStuckNet (#46080)
Summary:
Pull Request resolved: https://github.com/pytorch/pytorch/pull/46080
temp removal of ErrorPlanWithCancellableStuckNet, will fill out more
Test Plan:
```
buck test caffe2/caffe2:caffe2_test_cpu -- PlanExecutorTest
```
remove a test
Reviewed By: fegin
Differential Revision: D24213971
fbshipit-source-id: e6e600bad00b45c726311193b4b3238f1700526e
