Don't skip linting on NextJS deploys

### [REQUIRED] Environment info

**firebase-tools:** 12.0.0

**Platform:** macOS

### [REQUIRED] Test case

Run `firebase deploy`.

Must have these two commands initialized first:
`firebase experiments:enable webframeworks`
`firebase init hosting`

### [REQUIRED] Steps to reproduce

Run `firebase deploy`

### [REQUIRED] Expected behavior

I should see this message during build:
`info - Linting and checking validity of types ...`

### [REQUIRED] Actual behavior

I see this message during build instead:
`info - Checking validity of types ...`