hello guys, just want to share this in this section.
i don't know if there is an existing tutorial about this so mod please close if have duplicate.
First of all, i did this for those who have always data disabled like mine and want a clean status bar.
I found a way to disable it by playing with some settings file in the system folder.
Just follow this very simple steps.
1. Using rootexplorer or any file manager than can access root go to:
2. open custom_settings.xml using text editor.
It should look like this.
3. Change the highlighted: the first one to true and the second to false or simply switch their values.
4. That's it, reboot your phone and the notification will not show if it is disabled.
5. Hope you find it useful although it's just a simple trick. Will play more about different settings file and will post here if can help others.
FLASHABLE ZIP:
For those who have different contents like hansip posted below, you can flash it using the attachment below created by jjdoctor.