Adding stackImagePositionOffsetSynchronizer.js to Viewerbase namespace and instanciating it in the Viewers

Packages/ohif-hanging-protocols/package.js

@@ -19,7 +19,6 @@ Package.onUse(function(api) {
     api.use('validatejs');
 
     // Our custom packages
-    api.use('ohif:metadata');
     api.use('ohif:viewerbase');
 
     api.addAssets('assets/dots.svg', 'client');