system message

The following packages were automatically installed and are no longer required:
  brasero brasero-cdrkit dvdauthor fonts-linuxlibertine fonts-noto-hinted fonts-sil-gentium fonts-sil-gentium-basic g++-6 gcj-6-jre-lib genisoimage
  gir1.2-gepub-0.4 gir1.2-networkmanager-1.0 gir1.2-nmgtk-1.0 gir1.2-tracker-1.0 gnome-user-guide growisofs libass5 libbind9-140 libblas-common libbluray1
  libbsh-java libcamel-1.2-59 libcaribou-gtk-module libcaribou-gtk3-module libcdio-cdda1 libcdio-paranoia1 libcdio13 libdns162 libebook-1.2-16 libebur128-1
  libfreerdp-cache1.1 libfreerdp-codec1.1 libfreerdp-common1.1.0 libfreerdp-core1.1 libfreerdp-crypto1.1 libfreerdp-gdi1.1 libfreerdp-locale1.1
  libfreerdp-primitives1.1 libfreerdp-utils1.1 libfwupd1 libgcj-bc libgcj-common libgcj17 libgfortran3 libgit2-24 libglew2.0 libgltf-0.0-0v5 libgmime-2.6-0
  libgnome-autoar-common libgom-1.0-common libgtop-2.0-10 libhttp-parser2.1 libhunspell-1.4-0 libical2 libilmbase12 libisc160 libisccc140 libisccfg140
  libjim0.76 libllvm3.9 liblouis12 liblwres141 libmad0 libmagick++-6.q16-7 libmagickcore-6.q16-3 libmagickcore-6.q16-3-extra libmagickwand-6.q16-3
  libminiupnpc10 libmozjs-24-0 libmpfr4 libnm-glib4 libnm-gtk0 libnm-util2 libntfs-3g871 libopencv-calib3d2.4v5 libopencv-core2.4v5
  libopencv-features2d2.4v5 libopencv-flann2.4v5 libopencv-highgui2.4-deb0 libopencv-imgproc2.4v5 libopencv-objdetect2.4v5 libopencv-video2.4v5
  liborcus-0.11-0 libperl5.24 libpoppler64 libpython3.5 libpython3.5-minimal libpython3.5-stdlib libqpdf17 libraw15 libreoffice libreoffice-librelogo
  libreoffice-nlpsolver libreoffice-ogltrans libreoffice-pdfimport libreoffice-script-provider-bsh libreoffice-script-provider-js
  libreoffice-script-provider-python libreoffice-wiki-publisher libsac-java-gcj libsodium18 libstdc++-6-dev libsuitesparseconfig4 libtracker-control-1.0-0
  libtracker-miner-1.0-0 libtracker-sparql-1.0-0 libtxc-dxtn-s2tc libva-drm1 libva-x11-1 libva1 libwinpr-crt0.1 libwinpr-crypto0.1 libwinpr-dsparse0.1
  libwinpr-environment0.1 libwinpr-file0.1 libwinpr-handle0.1 libwinpr-heap0.1 libwinpr-input0.1 libwinpr-interlocked0.1 libwinpr-library0.1
  libwinpr-path0.1 libwinpr-pool0.1 libwinpr-registry0.1 libwinpr-rpc0.1 libwinpr-sspi0.1 libwinpr-synch0.1 libwinpr-sysinfo0.1 libwinpr-thread0.1
  libwinpr-utils0.1 libx264-148 libx265-95 linux-image-4.9.0-4-amd64 linux-image-4.9.0-5-amd64 python-asn1crypto python-certifi python-cffi-backend
  python-cryptography python-enum34 python-gi python-idna python-ipaddress python-openssl python-pyasn1 python-requests python-urllib3 python3.5
  python3.5-minimal rename rsync tcpd wodim
Use 'apt autoremove' to remove them.