luic-app-statistics: reduce copyright headers

Signed-off-by: Florian Eckert <fe@dev.tdt.de>

applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/conntrack.lua

@@ -1,13 +1,5 @@
---[[
+-- Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
-
+-- Licensed to the public under the Apache License 2.0.
-Copyright 2011 Jo-Philipp Wich <jow@openwrt.org>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-]]--
 
 m = Map("luci_statistics",
 	translate("Conntrack Plugin Configuration"),

applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/memory.lua

@@ -1,13 +1,5 @@
---[[
+-- Copyright 2011 Manuel Munz <freifunk at somakoma dot de>
-
+-- Licensed to the public under the Apache License 2.0.
-Copyright 2011 Manuel Munz <freifunk at somakoma dot de>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-]]--
 
 m = Map("luci_statistics",
 	translate("Memory Plugin Configuration"),

applications/luci-app-statistics/luasrc/model/cbi/luci_statistics/uptime.lua

@@ -1,13 +1,5 @@
---[[
+-- Copyright 2013 Thomas Endt <tmo26@gmx.de>
-
+-- Licensed to the public under the Apache License 2.0.
-Copyright 2013 Thomas Endt <tmo26@gmx.de>
-
-Licensed under the Apache License, Version 2.0 (the "License");
-you may not use this file except in compliance with the License.
-You may obtain a copy of the License at
-
-        http://www.apache.org/licenses/LICENSE-2.0
-]]--
 
 m = Map("luci_statistics",
         translate("Uptime Plugin Configuration"),