Change to the correct DeletedQuad

Author: hoijnet

lib/query/woqlQuery.js

@@ -605,7 +605,7 @@ WOQLQuery.prototype.removed_quad = function (subject, predicate, object, graphRe
   // if (a && a === 'args')
   // return args.concat(['graph'])
   if (!graphRef) return this.parameterError('Quad takes four parameters, the last should be a graph filter');
-  this.cursor['@type'] = 'RemovedQuad';
+  this.cursor['@type'] = 'DeletedQuad';
   this.cursor.graph = this.cleanGraph(graphRef);
   return this;
 };

test/woqlQuery.spec.js

@@ -281,7 +281,7 @@ describe('woql query', () => {
       const query = WOQL.removed_quad('v:S', 'v:P', 'v:O', 'schema/main');
       const json = query.json();
 
-      expect(json['@type']).to.equal('RemovedQuad');
+      expect(json['@type']).to.equal('DeletedQuad');
     });
   });