Revert "Don't delete data for stories where there are votes in delete…

…-old-data.sql"

This reverts commit aefb54a.

database.go

@@ -158,7 +158,6 @@ func (ndb newsDatabase) initUpvotesDB() error {
 			from votes
 			) select * from exits where direction != 0
 		`,
-		`delete from votes where userID < 100`,
 	}
 
 	for _, s := range seedStatements {

sql/delete-old-data.sql

@@ -1,4 +1,4 @@
 -- delete data older than one month. It's taking about 18 days to fill a gig, and we have
 -- 3 gig volume currently. That gives us 54 days. But 30 days is plenty and this gives us margin
 -- in case the rate of growth of data increases.
-delete from dataset left join votes on (id = storyID) where storyID is null and sampletime <= unixepoch()-30*24*60*60
+delete from dataset where sampletime <= unixepoch()-30*24*60*60