here are the step to delete stock apps:
REMEMBER always do Nandroid backup for recovery.
DO IT AT YOUR OWN RISK....
Android SDK >>
http://dl.google.com/android/android-sdk_r07-windows.zip1. Download the Android SDK from Google .
2. Unzip Google SDK download. You will see a folder called android-sdk-windows. Move that folder to the root of the c:\ drive, and rename it to sdk so that its location is c:\sdk.
3. Run c:\sdk\SDK Setup.exe (You will receive error messages, this is okay. Once the application is installed you can close all windows.
4. Boot into Clockworkmod recovery by powering off the phone and pressing and holding the volume down and power button until the screen lights up.
5. At the menu press volume down to select Recovery, then press power.
6. At the Clockworkmod main menu select partitions menu, then select mount /system
7. On the computer click Start > Run, and type CMD to open a command prompt.
8. In the command prompt type cd\sdk\tools
9. At the command prompt type adb shell
10. At the command prompt type cd /system/app
* type ls to list all the file within the directory
* for example : u wnat to delete "Twitter Widget", u need type
rm com.htc.TwitterWidget.apk
rm com.htc.TwitterWidget.odex
* after done all delete, type exit to end the command prompt
u have success to delete all the stock apps