licenses: Remove the braindead GPL acception stage

The GPL is not an EULA and so there is no value in having users
accept it.

The UI is very broken and so I believe it is best to drop this entirely.

Signed-off-by: Michael Tremer <michael.tremer@ipfire.org>

config/rootfiles/common/aarch64/stage2

@@ -132,8 +132,6 @@ usr/local/bin/update-location-database
 usr/sbin/openvpn-metrics
 #usr/share
 #usr/share/doc
-#usr/share/doc/licenses
-usr/share/doc/licenses/GPLv3
 #usr/share/info
 #usr/share/locale
 #usr/share/man

config/rootfiles/common/riscv64/stage2

@@ -133,8 +133,6 @@ usr/local/bin/update-location-database
 usr/sbin/openvpn-metrics
 #usr/share
 #usr/share/doc
-#usr/share/doc/licenses
-usr/share/doc/licenses/GPLv3
 #usr/share/info
 #usr/share/locale
 #usr/share/man

config/rootfiles/common/web-user-interface

@@ -20,7 +20,6 @@ srv/web/ipfire/cgi-bin/fireinfo.cgi
 srv/web/ipfire/cgi-bin/firewall.cgi
 srv/web/ipfire/cgi-bin/fwhosts.cgi
 srv/web/ipfire/cgi-bin/getrrdimage.cgi
-srv/web/ipfire/cgi-bin/gpl.cgi
 #srv/web/ipfire/cgi-bin/guardian.cgi
 srv/web/ipfire/cgi-bin/gui.cgi
 srv/web/ipfire/cgi-bin/hardwaregraphs.cgi

config/rootfiles/common/x86_64/stage2

@@ -132,8 +132,6 @@ usr/local/bin/update-location-database
 usr/sbin/openvpn-metrics
 #usr/share
 #usr/share/doc
-#usr/share/doc/licenses
-usr/share/doc/licenses/GPLv3
 #usr/share/info
 #usr/share/locale
 #usr/share/man