License migration redundant

PrzewalskisHorseFoal.jpg
© No machine-readable ..
CC-BY-SA-3.0

Belgisk hest.jpg
© Unknown
CC-BY-SA-3.0

Jaroszowka konie 092700..
© Taw
CC-BY-SA-3.0

Jaroszowka konie 092700..
© No machine-readable ..
CC-BY-SA-3.0

Jaroszowka konie 092700..
© No machine-readable ..
CC-BY-SA-3.0

Jaroszowka konie 092700..
© No machine-readable ..
CC-BY-SA-3.0

Rochefort JPG002.jpg
© Jean-Pol GRANDMONT
CC BY 3.0

Trot.jpg
© No machine-readable ..
CC-BY-SA-3.0

Belarus-Minsk Province-..
© Alex Zelenko
CC BY-SA 4.0

Horse racing Velka Chuc..
© No machine-readable ..
CC-BY-SA-3.0

Cavalo Arabe REFON.jpg
© José Reynaldo da Fon..
CC BY 2.5

Ponies grazing at latch..
© Jim Champion
CC-BY-SA-3.0

Win win relationship.JPG
© Unknown
CC BY-SA 3.0

Kevin Tornado Zlosyn 20..
© Hanka Čertík
CC BY 2.5

Agnes Flight 20001126C1..
© Goki
CC BY-SA 3.0

Jydske heste vorup enge..
© Malene Thyssen
CC-BY-SA-3.0

Pony drinking from the ..
© Jim Champion
CC-BY-SA-3.0

Pony grazing on yew tre..
© Jim Champion
CC-BY-SA-3.0

Ponies at gurnetfields ..
© Jim Champion
CC-BY-SA-3.0

Resting foal at matley ..
© Jim Champion
CC-BY-SA-3.0