Remove premature optimisation that could accidentally cause the encryption

indicator to be lost

src/java/org/jivesoftware/util/JiveProperties.java

@@ -283,10 +283,8 @@ public class JiveProperties implements Map<String, String> {
         String result;
         synchronized (this) {
             if (properties.containsKey(key)) {
-                if (!properties.get(key).equals(value) || !encrypted.get(key) == isEncrypted) {
                 updateProperty(key, value, isEncrypted);
             }
-            }
             else {
                 insertProperty(key, value, isEncrypted);
             }