Revert "Test002: add some clean-up functionality (seems worth testing)"

This reverts commit 9e31670.

src/test/java/testjoltjni/junit/Test002.java

@@ -146,17 +146,6 @@ public void test002() {
         }
 
         Assert.assertEquals(1_765, physicsSystem.getNumBodies());
-
-        jobSystem.close();
-        tempAllocator.close();
-
-        physicsSystem.close();
-        objVsObjFilter.close();
-        objVsBpFilter.close();
-        mapObj2Bp.close();
-
-        Jolt.unregisterTypes();
-        Jolt.destroyFactory();
     }
     // *************************************************************************
     // private methods