KJS: remove PackageTest.java and move actual files to box/

js/js.translator/testData/box/package/classCreatedInDeeplyNestedPackage.kt

@@ -3,5 +3,5 @@ package foo1.foo2.foo3.foo5.foo6.foo7.foo8
 fun box() = A().doBox()
 
 class A() {
-    fun doBox() = true
+    fun doBox() = "OK"
 }

js/js.translator/testData/box/package/deeplyNestedPackage.kt

@@ -1,3 +1,3 @@
 package foo1.foo2.foo3.foo5.foo6.foo7.foo8
 
-fun box() = true
+fun box() = "OK"

js/js.translator/testData/box/package/deeplyNestedPackageFunctionCalled.kt

@@ -1,4 +1,4 @@
 package foo1.foo2.foo3.foo5.foo6.foo7.foo8
 
 fun box() = f()
-fun f() = true
+fun f() = "OK"

js/js.translator/testData/box/package/initializersOfNestedPackagesExecute.kt

@@ -1,5 +1,5 @@
 package foo1.foo2.foo3.foo5.foo6.foo7.foo8
 
-val f = true
+val f = "OK"
 
 fun box() = f

js/js.translator/testData/box/package/nestedPackage.kt

@@ -1,3 +1,3 @@
 package foo.bar
 
-fun box() = true
+fun box() = "OK"

js/js.translator/testData/package/cases/mainFunInNestedPackage.kt

@@ -1,5 +0,0 @@
-package a.b.c
-
-fun main(args: Array<String>) {
-    println("ayee")
-}