remove extra null check in formatOutput. It is not needed. (#8138)

std/haxe/Log.hx

@@ -35,7 +35,7 @@ class Log {
 		if( infos == null )
 			return str;
 		var pstr = infos.fileName + ":" + infos.lineNumber;
-		if( infos != null && infos.customParams != null ) for( v in infos.customParams ) str += ", " + Std.string(v);
+		if( infos.customParams != null ) for( v in infos.customParams ) str += ", " + Std.string(v);
 		return pstr+": "+str;
 	}