Uninstall Ollama and Models in WSL

https://github.com/ollama/ollama/blob/main/docs/linux.md#uninstall

Stop and disable the Ollama service:

sudo systemctl stop ollama
sudo systemctl disable ollama
sudo rm /etc/systemd/system/ollama.service

Remove the ollama binary from your bin directory (either /usr/local/bin, /usr/bin, or /bin):

sudo rm $(which ollama)

Remove the downloaded models and Ollama service user and group:

sudo rm -r /usr/share/ollama
sudo userdel ollama
sudo groupdel ollama

Remove installed libraries:

sudo rm -rf /usr/local/lib/ollama