Update physics.adoc

Changed CollisionShape Method table column width to 30,40, 30.

src/docs/asciidoc/jme3/advanced/physics.adoc

@@ -194,7 +194,7 @@ a|Static terrains.
 |===
 
 On a CollisionShape, you can apply a few properties
-[cols="25,50,30", options="header"]
+[cols="30,40,30", options="header"]
 |===
 
 a| CollisionShape Method