Closes #14311: Move L2VPN models from ipam to vpn (#14358)

* Move L2VPN and L2VPNTermination models from ipam to vpn

* Move L2VPN resources from ipam to vpn

* Extend migration to update content types

* Misc cleanup

netbox/vpn/search.py

@@ -63,3 +63,15 @@ class IPSecProfileIndex(SearchIndex):
         ('comments', 5000),
     )
     display_attrs = ('description',)
+
+
+@register_search
+class L2VPNIndex(SearchIndex):
+    model = models.L2VPN
+    fields = (
+        ('name', 100),
+        ('slug', 110),
+        ('description', 500),
+        ('comments', 5000),
+    )
+    display_attrs = ('type', 'identifier', 'tenant', 'description')