Buffs no longer have the "applied" field, it was redundant

Because children of actions are always inactive in the new engine, buffs 
that are children of actions are inactive while buffs elsewhere on the 
character sheet are active, making it redundant to keep the extra field

app/imports/api/engine/computation/buildComputation/tests/computeInactiveStatus.testFn.js

@@ -8,12 +8,6 @@ export default function(){
   const byAncestor = (propId, note) => assertDeactivatedByAncestor(computation, propId, note);
   const active = (propId, note) => assertActive(computation, propId, note);
 
-  // Buffs
-  bySelf('buffNotAppliedId');
-  byAncestor('buffNotAppliedChildId');
-  active('buffAppliedId');
-  active('buffAppliedChildId');
-
   // Items
   active('itemUnequippedId', 'Unequipped items should be active');
   byAncestor('itemUnequippedChildId', 'Children of unequipped items should be inactive');
@@ -53,28 +47,6 @@ function assertActive(computation, propId, note){
 }
 
 var testProperties = [
-  // Buffs
-  clean({
-    _id: 'buffNotAppliedId',
-    type: 'buff',
-    ancestors: [{id: 'charId'}],
-  }),
-  clean({
-    _id: 'buffNotAppliedChildId',
-    type: 'folder',
-    ancestors: [{id: 'charId'}, {id: 'buffNotAppliedId'}],
-  }),
-  clean({
-    _id: 'buffAppliedId',
-    type: 'buff',
-    applied: true,
-    ancestors: [{id: 'charId'}],
-  }),
-  clean({
-    _id: 'buffAppliedChildId',
-    type: 'folder',
-    ancestors: [{id: 'charId'}, {id: 'buffAppliedId'}],
-  }),
   // Items
   clean({
     _id: 'itemUnequippedId',