Stop writing `.ndi` files
### Description

Sometimes in the build output folder, there are files with the `.ndi` extension written - these appear to be one of the many unfinished thoughts in the compiler which in the present state slow down compilation (by a tiny bit) and clutter the cache folder and otherwise seem pretty much useless.


### Nim Version

2.0

### Current Output

_No response_

### Expected Output

_No response_

### Known Workarounds

_No response_

### Additional Information

_No response_