Merge pull request #1108 from OpenConext/feature/#912-Remove-migration

#912 remove migration

Author: Liemine

myconext-server/src/main/java/myconext/mongo/Migrations.java

@@ -243,12 +243,6 @@ public void addRateLimitedToUsers(MongockTemplate mongoTemplate) {
         mongoTemplate.remove(new Query(), "sessions");
     }
 
-    @ChangeSet(order = "020", id = "deleteSessionAfterUserInstitutionMailSendDate", author = "leroy.vanzeeland@surf.nl")
-    public void deleteSessionAfterUserInstitutionMailSendDate(MongockTemplate mongoTemplate) {
-        mongoTemplate.remove(new Query(), "sessions");
-    }
-
-
     protected User mergeEduIDs(User user) {
         List<EduID> eduIDS = user.getEduIDS();
         //Make a copy to search in