No, just look at the condition with that vBulletin option. So in this case this part of that code:
Code:
<if condition="$vboptions['showmoderatorcolumn']">6<else />5</if>
You can "read" this very easily in a normal way: if you use the moderator column, the value is 6, if you aren't using it, the value is 5.
So you change it to:
Because you want to enable the column (to get the variable), but you don't want it to show.
Like that you edit all the templates where you find this vBulletin option