# What does this PR do?
[Provide a short summary of what this PR does and why. Link to relevant
issues if applicable.]
add a subcommand, help to clean the unneeded model:
```
$ llama model --help
usage: llama model [-h] {download,list,prompt-format,describe,verify-download,remove} ...
Work with llama models
options:
-h, --help show this help message and exit
$ llama model remove --help
usage: llama model remove [-h] -m MODEL [-f]
Remove the downloaded llama model
options:
-h, --help show this help message and exit
-m MODEL, --model MODEL
Specify the llama downloaded model name
-f, --force Used to forcefully remove the llama model from the storage without further confirmation
$ llama model remove -m Llama3.2-1B-Instruct:int4-qlora-eo8
Are you sure you want to remove Llama3.2-1B-Instruct:int4-qlora-eo8? (y/n): n
Removal aborted.
$ llama model remove -mLlama3.2-1B-Instruct:int4-qlora-eo8-f
Llama3.2-1B-Instruct:int4-qlora-eo8 removed.
```
[//]: # (If resolving an issue, uncomment and update the line below)
[//]: # (Closes #[issue-number])
## Test Plan
[Describe the tests you ran to verify your changes with result
summaries. *Provide clear instructions so the plan can be easily
re-executed.*]
[//]: # (## Documentation)
---------
Signed-off-by: reidliu <reid201711@gmail.com>
Co-authored-by: reidliu <reid201711@gmail.com>