You don't need to remove nodes. Just select the few important nodes, copy them, and paste them into a new flow tab. Then, on that tab, add the inject and debug nodes etc so that you can demonstrate the problem. Then mark those nodes and export them to the clipboard and paste them here as described in this canned text:
In order to make code readable and usable it is necessary to surround your code with three backticks (also known as a left quote or backquote ```)
```
code goes here
```
See this post for more details - How to share code or flow json
