It is a matter of opinion. To some the point of forwarding a message would be to get that message to another person, why forward the message if you want to delete it's content.
You could probably hit reply, and then change the recipients name to who you want to forward it to. I know you can delete the content of a reply message, just not a forwarded message.
The difference between stupidity and genius is that genius has its limits.
When you take things for granted, the things you are granted, get taken.
Even a mosquito doesn't get a pat on the back until it starts to work.
Too many people miss the silver lining because they're expecting gold.
[BES 5.0.3 / GroupWise 2012 HP2]