15287 dtrace: remove pragma ident
Reviewed by: Andy Stormont <andyjstormont@gmail.com>
Pproved by: Patrick Mooney <pmooney@pfmooney.com>

6535590 Pid provider doesn't work with probe "main:entry"
6551723 dtrace's mkdemo.pl causes false positive on inter-workspace wsdiff
6556673 potential deadlock with USDT tear-down and enable