chore: remove unused ensureValid overload

Author: afalhambra-hivemq

operator-framework-core/src/main/java/io/javaoperatorsdk/operator/api/config/Utils.java

@@ -86,10 +86,6 @@ private static Version loadFromProperties() {
     return new Version(properties.getProperty("git.commit.id.abbrev", "unknown"), builtTime);
   }
 
-  public static int ensureValid(int value, String description, int minValue) {
-    return ensureValid(value, description, minValue, minValue);
-  }
-
   public static int ensureValid(int value, String description, int minValue, int defaultValue) {
     if (value < minValue) {
       if (defaultValue < minValue) {