Remove documentation references to the Sensinode platform

This is part of a set of commits that will obsolete the Sensinode platform

core/net/ipv6/multicast/roll-tm.h

@@ -90,8 +90,8 @@
  * settles down, the code compensates the offsets.
  *
  * We consider 125, 250ms etc because they are nice divisors of 1 sec
- * (quotient is power of two). For some machines (e.g sky/msp430,
- * sensinode/cc243x), this is also a nice number of clock ticks
+ * (quotient is power of two). For some machines (e.g sky/msp430),
+ * this is also a nice number of clock ticks
  *
  * After experimentation, the values of Imin leading to best performance are:
  * ContikiMAC: Imin=64 (500ms)

doc/platform.txt

@@ -107,11 +107,6 @@
  * \ingroup platform
  */
 
-/**
- * \addtogroup sensinode Sensinode
- * \ingroup platform
- */
-
 /**
  * \addtogroup sky The Tmote Sky Board
  * \ingroup platform

examples/cc2530dk/blink-hello.c

@@ -2,7 +2,7 @@
  * It aims to demonstrate the co-existence of two processes:
  * One of them prints a hello world message and the other blinks the LEDs
  *
- * It is largely based on hello_world in $(CONTIKI)/examples/sensinode
+ * It is largely based on hello_world of the original sensinode port
  *
  * Author: George Oikonomou - <oikonomou@users.sourceforge.net>
  */

platform/cc2530dk/debug.h

@@ -32,7 +32,7 @@
 
 /**
  * \file
- *         Header file for debugging functions used by the sensinode port.
+ *         Header file for debugging functions used by the CC2530DK port.
  *
  *         putstring() and puthex() are from msp430/watchdog.c
  *