bcachefs: Don't flush journal after replay

The flush_all_pins() after journal replay was unecessary, and trying to
completely flush the journal while RW is not a great idea - it's not
guaranteed to terminate if other threads keep adding things to the
jorunal.

Signed-off-by: Kent Overstreet <kent.overstreet@linux.dev>

fs/bcachefs/recovery.c

@@ -230,10 +230,8 @@ static int bch2_journal_replay(struct bch_fs *c)
 	j->replay_journal_seq = 0;
 
 	bch2_journal_set_replay_done(j);
-	bch2_journal_flush_all_pins(j);
-	ret = bch2_journal_error(j);
 
-	if (keys->nr && !ret)
+	if (keys->nr)
 		bch2_journal_log_msg(c, "journal replay finished");
 err:
 	if (trans)