SUBMARINE-660. Remove submarine-workbench/workbench-web/node/node

### What is this PR for?
SUBMARINE-656 accidentally added submarine-workbench/workbench-web/node/node into the repo, thus we need to remove it.

### What type of PR is it?
[Bug Fix]

### Todos
* [ ] - Task

### What is the Jira issue?
https://issues.apache.org/jira/browse/SUBMARINE-660

### How should this be tested?
* First time? Setup Travis CI as described on https://submarine.apache.org/contribution/contributions.html#continuous-integration
* Strongly recommended: add automated unit tests for any new or changed behavior
* Outline any manual steps to test the PR here.

### Screenshots (if appropriate)

### Questions:
* Does the licenses files need update? No
* Is there breaking changes for older versions? No
* Does this needs documentation? No

Author: Kevin Su <pingsutw@gmail.com>

Closes #435 from pingsutw/SUBMARINE-660 and squashes the following commits:

c27a0d8 [Kevin Su] SUBMARINE-660. Remove submarine-workbench/workbench-web/node/node
diff --git a/submarine-workbench/workbench-web/node/node b/submarine-workbench/workbench-web/node/node
deleted file mode 100755
index 6232b2c..0000000
--- a/submarine-workbench/workbench-web/node/node
+++ /dev/null
Binary files differ