[14.21] Game restarts after deletion of already disabled mod

[Djekke]

Factorio restart after deletion of disabled mods

(but becouse mod was already disabled no change needed, so no need for restart)

[Rseding91]

The game doesn't currently support deleting a mod even if it is disabled at startup without restarting.

There's data loaded about the mods even if they aren't disabled (which is what lets you see them in the mods GUI). We may change it in the future to support removing a disabled mod if it was disabled at startup but currently that's not the case.