Removing unity-webapps-common (2.4.17+15.10.20150616-0ubuntu2) ...
Removing libunity-webapps0:amd64 (2.5.0~+16.04.20160201-0ubuntu1) ...
Removing unity-webapps-service (2.5.0~+16.04.20160201-0ubuntu1) ...
Processing triggers for gnome-menus (3.13.3-6ubuntu3.1) ...
dpkg: cycle found while processing triggers:
 chain of packages whose triggers are or may be responsible:
  desktop-file-utils -> bamfdaemon
 packages' pending triggers which are or may be unresolvable:
  man-db: /usr/share/man
  doc-base: /usr/share/doc-base
  libc-bin: ldconfig
  bamfdaemon: /usr/share/applications
  desktop-file-utils: /usr/share/applications
  mime-support: /usr/share/applications
  gconf2: /usr/share/GConf/gsettings
dpkg: error processing package man-db (--remove):
 triggers looping, abandoned