release-notes: remove doubled entry

release-notes.txt

@@ -580,65 +580,3 @@ License
   a separate license.
 
 All code files contain licensing information.
-
-Release 2013.08
-===============
-Kernel
-------
-- Microkernel with a powerful messaging system
-- Multi-Threading with low overhead
-- an energy-efficient, real-time capable scheduler
-- small memory footprint
-
-Userspace
----------
-- 6LoWPAN according to RFC 4944, RFC 6282, and RFC 6775
-- TCP and UDP
-- RPL according to RFC 6550 and RFC 6719
-- High resolution and long-term timers
-- POSIX IO and BSD socket API
-- Bloom filter
-- SHA256
-
-Hardware Support
-----------------
-- various ARM and MSP430 MCUs
-    * ARM7 NXP LPC2387
-    * TI MSP430F1612
-    * TI CC430F6137
-    * ARM7 Freescale MC13224v (preliminary)
-    * ARM Cortex-M4 STM32f407vgt6 (preliminary)
-    * ARM Cortex-M3 STM32f103rey6 (preliminary)
-- radio drivers
-    * TI CC1100 and CC1101
-    * TI CC2420
-    * Atmel AT86RF231
-- sensor drivers
-    * Sensirion SHT11
-    * Linear Technology LT4150
-
-
-More information
-================
-http://www.riot-os.org
-
-Mailing lists
--------------
-* RIOT OS kernel developers list
- * devel@riot-os.org (http://lists.riot-os.org/mailman/listinfo/devel)
-* RIOT OS users list
- * users@riot-os.org (http://lists.riot-os.org/mailman/listinfo/users)
-* RIOT commits
- * commits@riot-os.org (http://lists.riot-os.org/mailman/listinfo/commits)
-* Github notifications
- * notifications@riot-os.org  (http://lists.riot-os.org/mailman/listinfo/notifications)
-
-License
-=======
-* All sources and binaries that have been developed at Freie Universität Berlin are
-  licensed under the GNU Lesser General Public License version 2 as published by the
-  Free Software Foundation.
-* Some external sources, especially files developed by SICS are published under
-  a separate license.
-
-All code files contain licensing information.