How do I remove the confirmation alert when choosing Silent mode? SG2 with ICS 4.0.4: When I long press the power button and choose Silent mode, I get a confirmation alert stating that "Silent mode will be enabled".Then, I get to choose between "OK" or "Cancel", like I'm some clumsy child making bad decisions...

After long pressing the power button, and chosing Silent mode, I think that is one step too many, and it annoys me to have to confirm what I already confirmed that I wanted to do.

How do I remove the confirmation box ?

In a perfect world, I wouldn't have to go trough that extra step, and instead I'd just get a confirmation stating : "Silent mode enabled" or something in that line.
This appears to be baked in to the stock ROM you are using. 

There are widgets, like silentwidget which will let you toggle the silent mode without using the power button method, although this requires you to go to the launcher to do this - to get around this, have a look at a multitasking app like PowerStrip which will allow you to launch apps, see widgets and more from anywhere on your device without having to go back to the launcher.