Remove NexTone website links

[jesus2099]

Now NexTone has no websites?! But the ID are still visible in MINC.

• [x] Remove NexTone site links
• [x] See if a NexTone ID search in MINC should be added

[jesus2099]

In fact NexTone website still exists but maintaining its search links is too much of a hassle (they made it challenging) for what it's worth.