Removing unity-tweak-tool (0.0.7ubuntu2) ...
Removing unity-webapps-common (2.4.17+15.10.20150616-0ubuntu2) ...
Removing unity-webapps-service (2.5.0~+16.04.20160201-0ubuntu1) ...
Removing webapp-container (0.23+16.04.20161028-0ubuntu2) ...
Removing webbrowser-app (0.23+16.04.20161028-0ubuntu2) ...
dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  gnome-icon-theme -> hicolor-icon-theme
 packages' pending triggers which are or may be unresolvable:
  fontconfig: /usr/share/texmf/fonts
  hicolor-icon-theme: /usr/share/icons/hicolor
  gnome-menus: /usr/share/applications
  shared-mime-info: /usr/share/mime/packages
  man-db: /usr/share/man
  doc-base: /usr/share/doc-base
  bamfdaemon: /usr/share/applications
  gnome-icon-theme: /usr/share/icons/gnome
  desktop-file-utils: /usr/share/applications
  mime-support: /usr/share/applications
  gconf2: /usr/share/GConf/gsettings
dpkg: error processing package fontconfig (--remove):
 triggers looping, abandoned