How can I hide dock in application menu from GNOME Shell?
Solution 1:
You may use a GNOME shell extension called "Hide Dash X" to achieve your goal.
Other alternative extensions:
- Remove Dash
- No Dash in Overview
Simply removing gnome-shell-extension-ubuntu-dock would not get rid of the GNOME dash. The dash is a default feature of GNOME shell. It only in appears Activities overview or Applications overview ("Show Applications" screen).
The gnome-shell-extension-ubuntu-dock package is an Ubuntu-only modification (a fork of the Dash to Dock extension), which converts the dash into a customisable dock. The dock appears anywhere, not just in Activities or Applications overview, and also has some other extra features.
So removing the package would only remove the dock-like feature, but the dash will stay as it is since it's an inbuilt feature of GNOME shell.