Update project_creation.adoc

Cleaned up the image block.

src/docs/asciidoc/sdk/project_creation.adoc

@@ -25,7 +25,7 @@ The jMonkeyEngine SDK makes it easy to get started with developing 3-D games bas
 === Project Structure
 
 [.right]
-image::sdk/jmonkeyplatform-docu-4.png[jmonkeyplatform-docu-4.png,width="421",height="298",align="right"]
+image::sdk/jmonkeyplatform-docu-4.png[jmonkeyplatform-docu-4.png,width="421",height="298"]
 
 
 Let's have a look at the abstract project structure in the Project Explorer (ctrl-1).