feat(fuers_videodoorbell): manufacturer was Kerui

Fuers was identified based on images on the packaging, and is likely still
also a match, but the original reporter eventually reported back that the
device was branded as Kerui.

Issue #3252

custom_components/tuya_local/devices/fuers_videodoorbell.yaml

@@ -1,9 +1,7 @@
 name: Video doorbell
 products:
   - id: rdopirknpltovvth
-  # image search on packaging brings up a 404 page for Fuers camera
-  # that is no longer sold. Design copies Ring, so probably pulled
-  # from market, but not certain it is the same device.
+    manufacturer: Kerui
 entities:
   - entity: switch
     name: Flip image