Remove setbuf from rtos tests.

libraries/tests/rtos/mbed/basic/main.cpp

@@ -42,8 +42,6 @@ void led2_thread(void const *argument) {
 }
 
 int main() {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(15);
     MBED_HOSTTEST_SELECT(wait_us_auto);
     MBED_HOSTTEST_DESCRIPTION(Basic thread);

libraries/tests/rtos/mbed/isr/main.cpp

@@ -46,8 +46,6 @@ void queue_thread(void const *argument) {
 }
 
 int main (void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default_auto);
     MBED_HOSTTEST_DESCRIPTION(ISR (Queue));

libraries/tests/rtos/mbed/mail/main.cpp

@@ -52,8 +52,6 @@ void send_thread (void const *argument) {
 }
 
 int main (void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default_auto);
     MBED_HOSTTEST_DESCRIPTION(Mail messaging);

libraries/tests/rtos/mbed/mutex/main.cpp

@@ -81,8 +81,6 @@ void test_thread(void const *args) {
 }
 
 int main() {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default);
     MBED_HOSTTEST_DESCRIPTION(Mutex resource lock);

libraries/tests/rtos/mbed/queue/main.cpp

@@ -54,8 +54,6 @@ void send_thread (void const *argument) {
 }
 
 int main (void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default_auto);
     MBED_HOSTTEST_DESCRIPTION(Queue messaging);

libraries/tests/rtos/mbed/semaphore/main.cpp

@@ -72,8 +72,6 @@ void test_thread(void const *delay) {
 }
 
 int main (void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default_auto);
     MBED_HOSTTEST_DESCRIPTION(Semaphore resource lock);

libraries/tests/rtos/mbed/signals/main.cpp

@@ -40,8 +40,6 @@ void led_thread(void const *argument) {
 }
 
 int main (void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(20);
     MBED_HOSTTEST_SELECT(default_auto);
     MBED_HOSTTEST_DESCRIPTION(Signals messaging);

libraries/tests/rtos/mbed/timer/main.cpp

@@ -23,8 +23,6 @@ void blink(void const *n) {
 }
 
 int main(void) {
-    setbuf(stdout, NULL);
-
     MBED_HOSTTEST_TIMEOUT(15);
     MBED_HOSTTEST_SELECT(wait_us_auto);
     MBED_HOSTTEST_DESCRIPTION(Timer);