treewide: remove redundant loop vars

Change-Id: I61bada9e3df38e6a94cd6c8fe2d0d8f3ba41c1af
Reviewed-on: https://review.monogon.dev/c/monogon/+/2955
Reviewed-by: Lorenz Brun <lorenz@monogon.tech>
Tested-by: Jenkins CI
diff --git a/metropolis/node/kubernetes/reconciler/reconciler.go b/metropolis/node/kubernetes/reconciler/reconciler.go
index 4ed4859..13b71cf 100644
--- a/metropolis/node/kubernetes/reconciler/reconciler.go
+++ b/metropolis/node/kubernetes/reconciler/reconciler.go
@@ -176,7 +176,7 @@
 			}
 		}
 	}
-	for name, _ := range presentMap {
+	for name := range presentMap {
 		if _, ok := expectedMap[name]; !ok {
 			if err := r.Delete(ctx, name); err != nil {
 				return err