Russian forces are being withdrawn from Azerbaijan’s Karabakh region, where they have been stationed as peacekeepers since the end of a war in 2020, officials of both countries confirmed on Wednesday. Hikmet Hajiyev, the head of foreign policy in Azerbaijan’s presidential administration, did not say why the forces were being withdrawn. But he said their presence appeared superfluous after Azerbaijan regained full control of the region last year. The Karabakh region had been under the control of ethnic Armenians until a war in 2020 that resulted in Azerbaijan regaining control of parts of the r…