atlas: simplify compare method for name

Before the check for name against k1 could happen multiple
times.

spectator-reg-atlas/src/main/java/com/netflix/spectator/atlas/impl/QueryIndex.java

@@ -94,10 +94,8 @@ private static <V> QueryIndex<V> empty(CacheSupplier<V> cacheSupplier) {
    * This allows the {@link Id} to be traversed in order while performing the lookup.
    */
   private static int compare(String k1, String k2) {
-    if ("name".equals(k1) && "name".equals(k2)) {
-      return 0;
-    } else if ("name".equals(k1)) {
-      return -1;
+    if ("name".equals(k1)) {
+      return "name".equals(k2) ? 0 : -1;
     } else if ("name".equals(k2)) {
       return 1;
     } else {