Revert "buddy list: Put "me" at the top of the list."

This reverts commit 1890c30ee1.

frontend_tests/node_tests/activity.js

@@ -340,9 +340,9 @@ run_test('presence_list_full_update', () => {
     });
 
     assert.deepEqual(user_ids, [
-        me.user_id,
         fred.user_id,
         jill.user_id,
+        me.user_id,
         norbert.user_id,
         zoe.user_id,
         alice.user_id,
@@ -426,21 +426,18 @@ run_test('group_update_dom_counts', () => {
 run_test('handlers', () => {
     // This is kind of weak coverage; we are mostly making sure that
     // keys and clicks got mapped to functions that don't crash.
-    let me_li;
     let alice_li;
     let fred_li;
 
     function init() {
         reset_setup();
         buddy_list.populate({
-            keys: [me.user_id, alice.user_id, fred.user_id],
+            keys: [alice.user_id, fred.user_id],
         });
 
-        me_li = $.create('me stub');
         alice_li = $.create('alice stub');
         fred_li = $.create('fred stub');
 
-        buddy_list_add(me.user_id, me_li);
         buddy_list_add(alice.user_id, alice_li);
         buddy_list_add(fred.user_id, fred_li);
     }

frontend_tests/node_tests/buddy_data.js

@@ -27,8 +27,6 @@ function make_people() {
         is_bot: true,
     };
     people.add_in_realm(bot);
-
-    people.initialize_current_user(99999);
 }
 
 make_people();

static/js/buddy_data.js

@@ -31,11 +31,6 @@ var fade_config = {
 };
 
 function level(user_id) {
-    if (people.is_my_user_id(user_id)) {
-        // Always put current user at the top.
-        return 0;
-    }
-
     var status = presence.get_status(user_id);
 
     switch (status) {