Remove patch that was applied to Tails Greeter.

config/chroot_local-patches/tails-greeter_fix-browser-localization-path.patch

---- chroot.orig/etc/gdm3/PostLogin/Default	2014-10-09 23:57:25.319996058 +0000
-+++ chroot/etc/gdm3/PostLogin/Default	2014-10-09 23:58:19.147993943 +0000
-@@ -133,7 +133,7 @@
- # Choose which browser language pack to use
- LONG_LOCALE="$(echo ${TAILS_LOCALE_NAME} | sed -e 's/\..*$//' -e 's/_/-/')"
- SHORT_LOCALE="$(echo ${LONG_LOCALE} | cut -d"-" -f1)"
--LANGPACK_DIR="/usr/local/lib/tor-browser/extensions"
-+LANGPACK_DIR="/usr/local/share/tor-browser-extensions"
- if [ -e "${LANGPACK_DIR}/langpack-${LONG_LOCALE}@firefox.mozilla.org.xpi" ]; then
-     BROWSER_LOCALE="${LONG_LOCALE}"
- elif [ -e "${LANGPACK_DIR}/langpack-${SHORT_LOCALE}@firefox.mozilla.org.xpi" ]; then