Remove OI/NI attributes from test data

compiler/testData/diagnostics/tests/controlStructures/kt1075.kt

@@ -4,7 +4,7 @@ package kt1075
 
 fun foo(b: String) {
     if (<!TYPE_MISMATCH!>b<!> in 1..10) {} //type mismatch
-    when (<!TYPE_MISMATCH{NI}!>b<!>) {
+    when (<!TYPE_MISMATCH!>b<!>) {
         <!TYPE_MISMATCH_IN_RANGE!>in<!> 1..10 -> 1 //no type mismatch, but it should be here
         else -> 2
     }