[tests] don't analyzer ignore

cpp hates that

closes #8240

tests/unit/src/unit/issues/Issue8240.hx

@@ -5,7 +5,6 @@ private class Suite {
 }
 
 class Issue8240 extends unit.Test {
-	@:analyzer(ignore)
 	function test() {
 		var suite = new Suite();
 		var f = function() (for (c in inline new haxe.iterators.StringIteratorUnicode("")) {});