Revert "Update alumni list members.md"

Author: zshanggu

members.md

@@ -96,14 +96,6 @@ members:
           - name: Daniel Seita
             photo_url: /img/people/Daniel_2023_square.png
             web_url: https://danielseita.github.io/
-
-  - name: <a name="alumni"></a>Lab Alumni
-    list:
-      - name: Undergraduate Students
-        full: False
-        list:
-          - name: Qian (Peter) Wang -> Yale University CS PhD
-            web_url: https://pwang649.github.io/
 ---
 
 <div class="row">