Put chromium and libreoffice in user-installed packages to avoid rebuilding it...

Put chromium and libreoffice in user-installed packages to avoid rebuilding it when not available during a reconfiguration — they can be updated on a manual basis, they're heavy and not as critical as system tools

packages.scm

 (use-modules (gnu packages admin)
              (gnu packages base)
              (gnu packages certs)
-             (gnu packages chromium)
              (gnu packages commencement)
              (gnu packages compression)
              (gnu packages cryptsetup)
@@ -18,7 +17,6 @@
              (gnu packages haskell-apps)
              (gnu packages haskell-xyz)
              (gnu packages ibus)
-             (gnu packages libreoffice)
              (gnu packages mail)
              (gnu packages music)
              (gnu packages password-utils)
@@ -61,7 +59,6 @@
 	      ibus
 	      ibus-anthy
 	      jq
-	      libreoffice
 	      lftp
 	      netcat
 	      nss-certs
@@ -73,7 +70,6 @@
 	      rsync
 	      texlive
 	      tmux
-	      ungoogled-chromium
 	      unzip
 	      vim-full
 	      xarchiver