Yes the touchpad gesture was removed but the nearest possible touch gesture software you can get is : Easystroke Gesture
Its available in Ubuntu Software Center.
or else you can try installing Touchegg
Source
Pre-requisites
You need the latest vesion of Utouch to be running this. So add the following PPA
sudo add-apt-repository ppa:utouch-team/daily
sudo apt-get update
sudo apt-get install utouch
Installation
Editing the config file
Config file is located here
~/.config/touchegg/touchegg.conf
Editing the file:
Open config file.
gedit ~/.config/touchegg/touchegg.conf
In the example below, the four finger drag gesture is configured to switch to Show Desktop
Four Fingers Drag
[FOUR_FINGERS_DRAG_DOWN]
action=SHOW_DESKTOP
settings=
Three Fingers Drag
[THREE_FINGERS_DRAG_UP]
action=MAXIMIZE_RESTORE_WINDOW
settings=
[THREE_FINGERS_DRAG_DOWN]
action=MINIMIZE_WINDOW
settings=