update alumni

Author: RealZiangLiu

_data/alumni.yml

@@ -21,16 +21,16 @@
 
 - name: Nikki Hart
   department: BS, MechE 2023
-  job:
+  job: PhD student, Rice
   website:
 - name: Boao Dong
   department: MEng, CS 2023
   job: Software Engineer, Tiktok
   website: https://www.linkedin.com/in/boao-mark-dong-50a82a1a5/
-- name: Boxin Xu
-  department: MS, MechE 2023
-  job: 
-  website: 
+# - name: Boxin Xu
+#   department: MS, MechE 2023
+#   job: 
+#   website: 
 - name: Zoe Chen
   department: MEng, ECE 2023
   job: Quantum Hardware Electrical Engineer, HRL Labs