Revert "SUP-2582, Upcoming SRMs should be ordered by most recent date"

This reverts commit f0399e1.

Author: vikasrohit

app/my-dashboard/srms/srms.controller.js

@@ -21,8 +21,7 @@
 
     function getSRMs() {
       var params = {
-        filter: 'status=future',
-        orderBy: 'registrationStartAt',
+        filter: 'status=future&orderBy=registrationStartAt',
         limit: 3
       };
 

app/my-srms/my-srms.controller.js

@@ -52,8 +52,6 @@
 
     function changeFilter(filter) {
       vm.statusFilter = filter;
-      // for upcoming SRMs sorting is done ascending order of codingStartAt
-      // for past SRMs sorting is done descending order of codingEndAt
       vm.orderBy = filter === 'future'? 'codingStartAt': 'codingEndAt';
       vm.reverseOrder = filter !== 'future';
       // update url but don't reload