[MM-28761] Fix errcheck linter issues in hosted_purchase_screening worker (#30624)

server/.golangci.yml

@@ -105,7 +105,6 @@ issues:
         channels/app/team_test.go|\
         channels/app/upload.go|\
         channels/jobs/batch_worker_test.go|\
-        channels/jobs/hosted_purchase_screening/worker.go|\
         channels/store/localcachelayer/channel_layer.go|\
         channels/store/localcachelayer/channel_layer_test.go|\
         channels/store/localcachelayer/emoji_layer.go|\