Move some tests from boxWithStdlib/ to box/

Move those tests which do not require neither stdlib nor reflect

compiler/testData/codegen/box/regressions/kt2210.kt

@@ -0,0 +1,8 @@
+class A<T>(t: Array<Array<T>>) {
+    val a:Array<Array<T>> = t
+}
+
+fun box(): String {
+    A<Int>(arrayOf()) // <- java.lang.VerifyError: (class: A, method: getA signature: ()[[Ljava/lang/Object;) Wrong return type in function
+    return "OK"
+}