WiringPi: Remove files that seem won't be used or already have not been used

Signed-off-by: Deokgyu Yang <secugyu@gmail.com>
Change-Id: I1189f950d0e51cbc4c569b1e7a1182dc5f8fe762

examples/blink-thread.c

@@ -0,0 +1,61 @@
+/*
+ * blink-thread.c:
+ *	Standard "blink" program in wiringPi. Blinks an LED connected
+ *	to the first GPIO pin.
+ *
+ * Copyright (c) 2012-2013 Gordon Henderson. <projects@drogon.net>
+ ***********************************************************************
+ * This file is part of wiringPi:
+ *	https://projects.drogon.net/raspberry-pi/wiringpi/
+ *
+ *    wiringPi is free software: you can redistribute it and/or modify
+ *    it under the terms of the GNU Lesser General Public License as published by
+ *    the Free Software Foundation, either version 3 of the License, or
+ *    (at your option) any later version.
+ *
+ *    wiringPi is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU Lesser General Public License for more details.
+ *
+ *    You should have received a copy of the GNU Lesser General Public License
+ *    along with wiringPi.  If not, see <http://www.gnu.org/licenses/>.
+ ***********************************************************************
+ */
+
+#include <stdio.h>
+#include <wiringPi.h>
+
+// LED Pin - wiringPi pin 0 is BCM_GPIO 17.
+
+#define	LED	0
+
+PI_THREAD (blinky)
+{
+  for (;;)
+  {
+    digitalWrite (LED, HIGH) ;	// On
+    delay (500) ;		// mS
+    digitalWrite (LED, LOW) ;	// Off
+    delay (500) ;
+  }
+}
+
+
+int main (void)
+{
+  printf ("Raspberry Pi blink\n") ;
+
+  wiringPiSetup () ;
+  pinMode (LED, OUTPUT) ;
+
+  piThreadCreate (blinky) ;
+
+  for (;;)
+  {
+    printf ("Hello, world\n") ;
+    delay (600) ;
+  }
+
+  return 0 ;
+}