Corrected the collection name

bigbluebutton-html5/imports/api/presentation-pods/server/modifiers/removePresentationPod.js

 import { check } from 'meteor/check';
-import PresentationPods from '/imports/api/presentations';
+import PresentationPods from '/imports/api/presentation-pods';
 import Logger from '/imports/startup/server/logger';
 import clearPresentations from '/imports/api/presentations/server/modifiers/clearPresentations';
 

bigbluebutton-html5/imports/api/presentation-pods/server/modifiers/setPresenterInPod.js

 import { check } from 'meteor/check';
-import PresentationPods from '/imports/api/presentations';
+import PresentationPods from '/imports/api/presentation-pods';
 import Logger from '/imports/startup/server/logger';
 
 export default function setPresenterInPod(meetingId, podId, nextPresenterId) {