treewide: fix %w in cases where only %v is supported

Change-Id: I24ae051e960b0e4ad003bb48e34b038debf6d79b
Reviewed-on: https://review.monogon.dev/c/monogon/+/3033
Reviewed-by: Leopold Schabel <leo@monogon.tech>
Tested-by: Jenkins CI
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
diff --git a/cloud/bmaas/bmdb/connection.go b/cloud/bmaas/bmdb/connection.go
index 17d7598..a739f9b 100644
--- a/cloud/bmaas/bmdb/connection.go
+++ b/cloud/bmaas/bmdb/connection.go
@@ -21,7 +21,7 @@
 		klog.Infof("Using default migrations source.")
 		m, err := model.MigrationsSource()
 		if err != nil {
-			klog.Exitf("failed to prepare migrations source: %w", err)
+			klog.Exitf("failed to prepare migrations source: %v", err)
 		}
 		b.Config.Database.Migrations = m
 	}