le4-pkg-list: Create an initial install.list-remove for le4/escola

This file is a copy from le4 light.

Signed-off-by: João Gustavo Pauluk <jgp12@c3sl.ufpr.br>

pkg-list/le4/escola/install.list-remove

+ubiquity-slideshow-le
+ubiquity-desktop-icon
+ubiquity-frontend-kde-le
+ubiquity-le
+casper