docs: remove deprecated comments

src/thread/thread.c

@@ -104,13 +104,6 @@ int thread_yield(void)
     }
 #endif
 
-    /* Current strategy :
-     * if we have checked the number of threads then keep the running one
-     * otherwise, take the first element of the list should not be null
-     * remove it from the head and put it at the end to take it in the next round
-     * check if the thread is not finished and is not waiting for a non finished thread
-     * check if the thread is not the running one.
-     */
     struct context_entry_t* first = TAILQ_FIRST(&scheduler_fifo);
     TAILQ_REMOVE(&scheduler_fifo, first, link);