Remove unneeded +1 for `outstanding_task_count`

src/thread_pool.cpp

@@ -62,7 +62,6 @@ void thread_pool_thread_entry(ThreadPool *pool) {
 void thread_pool_init(ThreadPool *pool, gbAllocator const &a, isize thread_count, char const *worker_prefix) {
 	memset(pool, 0, sizeof(ThreadPool));
 	mutex_init(&pool->task_list_mutex);
-	pool->outstanding_task_count.store(1);
 	pool->thread_count = thread_count;
 }
 
@@ -74,8 +73,6 @@ void thread_pool_wait(ThreadPool *pool) {
 	for (int i = 0; i < pool->thread_count; i++) {
 		thread_pool_start_thread(pool);
 	}
-
-	pool->outstanding_task_count.fetch_sub(1);
 	thread_pool_thread_entry(pool);
 }