jruby --help displays removed taint level command line option

jruby 9.4.2.0 (3.1.0) 2023-03-08 90d2913fda OpenJDK 64-Bit Server VM 17.0.5+8-LTS on 17.0.5+8-LTS +jit [x86_64-darwin]

**Expected Behavior**

    jruby --help

should display only valid commandline options, not "-T[level]".

**Actual Behavior**

```
% jruby --help
...
   -T[level]                                           turn on tainting checks 
...
```
