Chore: Simplify retry functions (#335)

Simplify retry function

e2e/common/retry.go

@@ -8,31 +8,29 @@ func Retry(attempts int, interval time.Duration, fn func() error) error {
 	ticker := time.NewTicker(interval)
 	defer ticker.Stop()
 	var err error
-	for { //nolint:gosimple//There is no range here.
-		select {
-		case <-ticker.C:
-			attempts--
-			err = fn()
-			if err == nil || attempts == 0 {
-				return err
-			}
+	for range ticker.C {
+		attempts--
+		err = fn()
+		if err == nil || attempts == 0 {
+			return err
 		}
 	}
+	// Return nil if all attempts fail.
+	return nil
 }
 
 func RetryGet[T any](attempts int, interval time.Duration, fn func() (*T, error)) (*T, error) {
 	ticker := time.NewTicker(interval)
 	defer ticker.Stop()
 	var err error
 	var obj *T
-	for { //nolint:gosimple//There is no range here.
-		select {
-		case <-ticker.C:
-			attempts--
-			obj, err = fn()
-			if err == nil || attempts == 0 {
-				return obj, err
-			}
+	for range ticker.C {
+		attempts--
+		obj, err = fn()
+		if err == nil || attempts == 0 {
+			return obj, err
 		}
 	}
+	// Return nil object if all attempts fail.
+	return nil, err
 }