delete superfluous else

Author: mtoffl01

internal-api/src/main/java/datadog/trace/bootstrap/config/provider/stableconfig/StableConfig.java

@@ -60,8 +60,7 @@ private List<Rule> parseRules(Map<?, ?> map) {
         }
       }
       return unmodifiableList(rules);
-    } else {
-      return emptyList();
     }
+    return emptyList();
   }
 }