Is there an existing issue for this?

• I have searched the existing issues

Is your feature request related to a problem?

The performance page describes how to force turn mutagen on or off per project but no how to undo that that command so it reverts back to the default configuration (on or off depending on the OS).

The reason is so a developer can quickly turn it on to edit the mutagen configuration for others developers, then undo the change for their own machine. Other the mutagen configuration folder does exits if the project was created on a non-mutagen OS.

Mutagen ON:
ddev config --performance-mode=mutagen

Mutagen OFF:
ddev config --performance-mode=none

Mutagen DEFAULT:
ddev config --performance-mode=""

Describe your solution

I suggest to add ddev config --performance-mode="" to the documentation (ddev removes the line in the config.yaml so default engine decision is used)

Describe alternatives

No response

Additional context

No response