Update comments about imported functions and variables.

This will avoid some confusion e.g. while using "git grep".

config/chroot_local-includes/usr/local/lib/tails-shell-library/chroot-browser.sh

@@ -7,7 +7,7 @@ if [ "$(whoami)" != "root" ]; then
     exit 1
 fi
 
-# Import the TBB_INSTALL, TBB_PROFILE and TBB_EXT variables, and
+# Import the TBB_INSTALL and TBB_EXT variables, and
 # configure_xulrunner_app_locale().
 . /usr/local/lib/tails-shell-library/tor-browser.sh
 

config/chroot_local-includes/usr/local/sbin/unsafe-browser

@@ -10,16 +10,13 @@ export TEXTDOMAIN
 # Import tor_has_bootstrapped()
 . /usr/local/lib/tails-shell-library/systemd.sh
 
-# Import the TBB_EXT variable, and guess_best_tor_browser_locale().
+# Import the TBB_EXT variable.
 . /usr/local/lib/tails-shell-library/tor-browser.sh
 
 # Import localized_tails_doc_page().
 . /usr/local/lib/tails-shell-library/localization.sh
 
-# Import try_cleanup_browser_chroot(), setup_browser_chroot(),
-# configure_chroot_dns_servers(), configure_chroot_browser(),
-# configure_chroot_browser(), set_chroot_browser_locale()
-# set_chroot_browser_name(), set_chroot_browser_permissions()
+# Import setup_chroot_for_browser(), configure_chroot_browser(),
 # and run_browser_in_chroot().
 . /usr/local/lib/tails-shell-library/chroot-browser.sh