Refactoring: use existing variable instead of hard-coding it again.

config/chroot_local-includes/usr/local/lib/generate-tor-browser-profile

@@ -3,6 +3,9 @@
 set -e
 set -u
 
+# Import the TBB_PROFILE variable
+. /usr/local/lib/tails-shell-library/tor-browser.sh
+
 USER_PROFILE="${HOME}/.tor-browser"
 
 if [ -e "${USER_PROFILE}" ]; then
@@ -11,4 +14,4 @@ if [ -e "${USER_PROFILE}" ]; then
 fi
 
 mkdir -p "${USER_PROFILE}"
-cp -a /etc/tor-browser/profile "${USER_PROFILE}"/profile.default
+cp -a "${TBB_PROFILE}" "${USER_PROFILE}"/profile.default