deprecating types after colon

compiler/testData/diagnostics/tests/dataFlowInfoTraversal/ManyIfs.kt

@@ -1,3 +1,5 @@
+// !CHECK_TYPE
+
 fun noUselessDataFlowInfoCreation(x: Number) {
     if (x is Int) { if (x is Int) { if (x is Int) { if (x is Int) { if (x is Int) {
     if (x is Int) { if (x is Int) { if (x is Int) { if (x is Int) { if (x is Int) {
@@ -14,7 +16,7 @@ fun dataFlowInfoAnd(a: Array<Number>) {
     if (a[15] is Int) { if (a[16] is Int) { if (a[17] is Int) { if (a[18] is Int) { if (a[19] is Int) {
     if (a[20] is Int) { if (a[21] is Int) { if (a[22] is Int) { if (a[23] is Int) { if (a[24] is Int) {
     if (a[25] is Int) { if (a[26] is Int) { if (a[27] is Int) { if (a[28] is Int) { if (a[29] is Int) {
-        <!TYPE_MISMATCH!>a[0]<!> : Int
+        checkSubtype<Int>(<!TYPE_MISMATCH!>a[0]<!>)
     } } } } } } } } } } } } } } } } } } } } } } } } } } } } } }
 }
 
@@ -25,6 +27,6 @@ fun dataFlowInfoOr(a: Array<Number>) {
         a[30] is Int || a[31] is Int || a[32] is Int || a[33] is Int || a[34] is Int || a[35] is Int || a[36] is Int || a[37] is Int || a[38] is Int || a[39] is Int || 
         a[40] is Int || a[41] is Int || a[42] is Int || a[43] is Int || a[44] is Int || a[45] is Int || a[46] is Int || a[47] is Int || a[48] is Int || a[49] is Int || 
         a[50] is Int || a[51] is Int || a[52] is Int || a[53] is Int || a[54] is Int || a[55] is Int || a[56] is Int || a[57] is Int || a[58] is Int || a[59] is Int) {
-        <!TYPE_MISMATCH!>a[0]<!> : Int
+        checkSubtype<Int>(<!TYPE_MISMATCH!>a[0]<!>)
     }
 }