There isn't a mod to do it with. You have to go into the installed game files and delete the files for the movies:
Reducing the size of your Sims 2 Installationhttp://www.moreawesomethanyou.com/smf/index.php/topic,14301.0.html3. In TSData/Res/Movies there is an annoying abomination named "ealogo_audio.movie". It is annoying...the game doesn't care. 2MB per EP/SP.