Danger Zone template delete warning

Version: [`v0.12.6-devel+f017548a`](https://github.com/coder/coder/commit/f017548a9c4aa23f5baec7ea4b39d9f030eb777f)

I'm a fan of Top Gun, but this warning message is a bit over-the-top

Consider something more normal.

![image](https://user-images.githubusercontent.com/2022166/201558723-59dd7d79-c704-4f65-8e37-c2c0b2f0b884.png)
