Update setting_up_jme3_in_eclipse.adoc

Fixed the testchooser.exe to jMonkeyEngine.jar.

src/docs/asciidoc/jme3/setting_up_jme3_in_eclipse.adoc

@@ -21,7 +21,7 @@ The currently available JAR binaries are the nightly builds.
 .  Download the most recent zipped build from link:https://github.com/jMonkeyEngine/jmonkeyengine/releases/tag/v3.1.0-stable[https://github.com/jMonkeyEngine/jmonkeyengine/releases/tag/v3.1.0-stable]
 .  Unzip the file and save it as `jME3.1-stable` in your home directory ($HOME). You should see the following files and directories:
 **  `lib/` – The jMonkeyEngine binaries, and libraries used by the jMonkeyEngine. (Don't remove)
-// **  `TestChooser.exe` – Run this file to see various feature demos. (optional)
+**  `jMonkeyEngine3.jar` – Run this to see various feature demos. (optional)
 **  `javadoc/` – jME3 +++<abbr title="Application Programming Interface">API</abbr>+++ documentation. (optional)