Drop bmo menu query_hist, never used

dotfiles/bmo/menu.ini

@@ -40,11 +40,6 @@
     select_args = -l 20 --split = --split-field 1
     consumer    = cat
 
-[menu.query_hist]
-
-    generator   = tac .bmo-query.log | awk '!seen[$0]++'
-    consumer    = tee -a .bmo-query.log | xargs bmo uris | bmo xuris
-
 [menu.run]
 
     generator   = dmenu_path