Here are the steps that has to be follow in-order to change or remove the animated boot logo which has been installed through Greenpois0n jailbreak.
The first step require you to lauch Cydia from Springboard.
The second step require you to tap in-order to select the Sections tab from the bottom of the screen.
Now tap to select Addons (BootLogo) from the list of Sources.
Again press to select Apple boot logo from the list of Packages
Now press the install button at the right of the screen and tap the confirm button to begin installation.
Once installation has completed successfully press the large Restart Springboard button.
Once you have been resprung press to launch Settings from your Springboard.
Press to select BootLogo from the Settings Menu.
Here you are require to select the Apple Logo from BootLogo to display the normal Apple logo during boot.