Revert "Update alumni list and readme"

Author: zshanggu

README.md

@@ -34,7 +34,7 @@ exclude:
   - vendor
 ```
 
-Inside the `~/slurm-lab-usc.github.io` directory, run `bundle install`. You may need `sudo`.
+Inside the `~/slurm-lab-usc.github.io` directory, run `bundle install`.
 
 Assuming that worked, then do `bundle exec jekyll serve`:
 

members.md

@@ -96,16 +96,6 @@ members:
           - name: Daniel Seita
             photo_url: /img/people/Daniel_2023_square.png
             web_url: https://danielseita.github.io/
-            
-  - name: Alumni
-    list:
-      # - full: true
-      - name: Undergraduate Students
-        list:
-          - name: Qian (Peter Wang) -> Yale University CS PhD
-            web_url: https://pwang649.github.io/
-
-    
 ---
 
 <div class="row">