Bugfix utf8_checker_test reserved zone
Bugfix utf8_checker_test reserved zone

removed falsely reserved zone 0xEF

mloy/cjet,gatzka/cjet,mloy/cjet,gatzka/cjet,gatzka/cjet,mloy/cjet,gatzka/cjet,mloy/cjet,mloy/cjet,gatzka/cjet