removing static type assertions work in progress

compiler/testData/codegen/boxWithStdlib/arrays/cloneArray.kt

@@ -2,14 +2,12 @@ import java.util.Arrays.equals
 
 fun box(): String {
     val s = arrayOf("live", "long")
-    val t = s.clone()
-    t : Array<String>
+    val t: Array<String> = s.clone()
     if (!equals(s, t)) return "Fail string"
     if (s identityEquals t) return "Fail string identity"
 
     val ss = arrayOf(s, s)
-    val tt = ss.clone()
-    tt : Array<Array<String>>
+    val tt: Array<Array<String>> = ss.clone()
     if (!equals(ss, tt)) return "Fail string[]"
     if (ss identityEquals tt) return "Fail string[] identity"