cores: Remove redundant k_thread_start() calls for static threads.

According to Zephyr documentation, k_thread_create() both initializes
and starts the thread. The second loop that was calling k_thread_start()
on each static thread was redundant.

Signed-off-by: iabdalkader <[email protected]>

Author: iabdalkader

cores/arduino/threads.cpp

@@ -19,15 +19,5 @@ void start_static_threads() {
 		k_thread_name_set(thread_data->init_thread, thread_data->init_name);
 		thread_data->init_thread->init_data = thread_data;
 	}
-
-	/*
-	 * Take a sched lock to prevent them from running
-	 * until they are all started.
-	 */
-	k_sched_lock();
-	_FOREACH_STATIC_THREAD(thread_data) {
-		k_thread_start(thread_data->init_thread);
-	}
-	k_sched_unlock();
 }
 #endif