Removed extra package.

Thanks to xet7 !

.meteor/packages

@@ -92,7 +92,6 @@ wekan-markdown
 konecty:mongo-counter
 percolate:synced-cron
 wekan-cfs-filesystem
-tmeasday:check-npm-versions
 steffo:meteor-accounts-saml
 rajit:bootstrap3-datepicker-fi
 rajit:bootstrap3-datepicker-ar

.meteor/versions

@@ -207,7 +207,6 @@ templating@1.4.0
 templating-compiler@1.4.0
 templating-runtime@1.4.0
 templating-tools@1.2.0
-tmeasday:check-npm-versions@0.3.2
 tracker@1.2.0
 twbs:bootstrap@3.3.6
 ui@1.0.13

packages/markdown/package.js

@@ -17,8 +17,6 @@ Package.onUse(function (api) {
 	api.export('Markdown', ['server', 'client']);
 
   api.use('ui', 'client', {weak: true});
-  api.use('tmeasday:check-npm-versions', 'client');
 
-  api.add_files('src/checkNpmVersions.js', 'client');
 	api.add_files('src/template-integration.js', 'client');
 });

packages/markdown/src/checkNpmVersions.js

@@ -1,5 +0,0 @@
-import { checkNpmVersions } from 'meteor/tmeasday:check-npm-versions';
-
-checkNpmVersions({
-    'dompurify': '2.2.8',
-}, 'my:xss');