CLEANUP: debug: always report harmless/want_rdv even without threads
This way we have a more consistent output and we can remove annoying
ifdefs.
diff --git a/src/debug.c b/src/debug.c
index f26f53d..282c828 100644
--- a/src/debug.c
+++ b/src/debug.c
@@ -55,12 +55,10 @@
!!(fd_cache_mask & thr_bit),
!!(task_profiling_mask & thr_bit));
-#ifdef USE_THREAD
chunk_appendf(buf,
" harmless=%d wantrdv=%d",
!!(threads_harmless_mask & thr_bit),
!!(threads_want_rdv_mask & thr_bit));
-#endif
chunk_appendf(buf, "\n");
chunk_appendf(buf, " cpu_ns: poll=%llu now=%llu diff=%llu\n", p, n, n-p);