fix(web): remove hubspot-messenger css

Author: frenautvh

packages/manager/apps/web/client/app/css/source.less

@@ -47,5 +47,4 @@
 @import (less) "angular-xeditable/dist/css/xeditable.min.css";
 @import (less) "ovh-angular-responsive-popover/dist/ovh-angular-responsive-popover.min.css";
 @import (less) "ovh-angular-tail-logs/dist/ovh-angular-tail-logs.css";
-@import (less) "hubspot-messenger/build/css/messenger.css";
 @import (less) "esvit-ng-ckeditor/ng-ckeditor.css";