`wikidatawiki.wb_items_per_site_old` is the old, renamed table after it was restored for T249565's incident and it is no longer needed.
It should be dropped.
It exists on all the host:
```
labsdb1012.eqiad.wmnet:3306
wb_items_per_site_old
labsdb1011.eqiad.wmnet:3306
wb_items_per_site_old
labsdb1010.eqiad.wmnet:3306
wb_items_per_site_old
labsdb1009.eqiad.wmnet:3306
wb_items_per_site_old
dbstore1005.eqiad.wmnet:3318
wb_items_per_site_old
db2100.codfw.wmnet:3318
wb_items_per_site_old
db2094.codfw.wmnet:3318
wb_items_per_site_old
db2086.codfw.wmnet:3318
wb_items_per_site_old
db2085.codfw.wmnet:3318
wb_items_per_site_old
db2083.codfw.wmnet:3306
wb_items_per_site_old
db2082.codfw.wmnet:3306
wb_items_per_site_old
db2081.codfw.wmnet:3306
wb_items_per_site_old
db2080.codfw.wmnet:3306
wb_items_per_site_old
db2079.codfw.wmnet:3306
wb_items_per_site_old
db1126.eqiad.wmnet:3306
wb_items_per_site_old
db1124.eqiad.wmnet:3318
wb_items_per_site_old
db1116.eqiad.wmnet:3318
wb_items_per_site_old
db1114.eqiad.wmnet:3306
wb_items_per_site_old
db1111.eqiad.wmnet:3306
wb_items_per_site_old
db1109.eqiad.wmnet:3306
wb_items_per_site_old
db1104.eqiad.wmnet:3306
wb_items_per_site_old
db1101.eqiad.wmnet:3318
wb_items_per_site_old
db1099.eqiad.wmnet:3318
wb_items_per_site_old
db1092.eqiad.wmnet:3306
wb_items_per_site_old
db1087.eqiad.wmnet:3306
wb_items_per_site_old
```