gnome-settings: dash-to-dock extension settings removed

gnome-settings-gschema/ximper-linux.gschema.override

@@ -37,17 +37,5 @@ terminal='blackbox'
 disable-user-extensions=false
 enabled-extensions=['dash-to-dock@micxgx.gmail.com', 'appindicatorsupport@rgcjonas.gmail.com', 'gsconnect@andyholmes.github.io', 'user-theme@gnome-shell-extensions.gcampax.github.com', 'no-overview@fthx', 'Hide_Activities@shay.shayel.org']
 
-[org.gnome.shell.extensions.dash-to-dock]
-dock-fixed=false
-click-action='minimize'
-dash-max-icon-size=24
-animation-time=0.20000000000000001
-apply-custom-theme=true
-autohide=true
-autohide-in-fullscreen=false
-background-opacity=0.80000000000000004
-custom-theme-shrink=true
-height-fraction=0.90000000000000002
-
 [org.gnome.shell.extensions.appindicator]
 tray-pos='left'