[IR] update testdata

compiler/testData/ir/irText/expressions/tryCatchWithImplicitCast.kt.txt

@@ -2,10 +2,10 @@ fun testImplicitCast(a: Any) {
   when {
     a !is String -> return Unit
   }
-  val t: String = try { //BLOCK
+  val t: String = try { // BLOCK
     a
   } /*as String */
-  catch (...) { //BLOCK
+  catch (...) { // BLOCK
     ""
   }