fix date

docs/modules/sdk/pages/model_loader_and_viewer.adoc

@@ -1,6 +1,6 @@
 = jMonkeyEngine SDK: Importing and Viewing Models
 :revnumber: 2.0
-:revdate: 2020/07/09 20:48
+:revdate: 2020/07/09 
 :keywords: documentation, sdk, tool, asset, scene