Remove Athena's entry, move Yuchen to VS

Signed-off-by: Aditya Sirish <[email protected]>

Author: adityasaky

_data/data.yml

@@ -669,19 +669,18 @@ people:
       - type: "Other Students"
         anchor: otherstudents
         people:
-          - *yuchen_zhang
           - *staford_titus
           - *jonathan_singer
           - *devansh_patel
           - *caglar_dogan
-          - *athena_hernandez
           - *yuanrui_chen
           - *pinhan_zhao
 
       - type: "Visiting Scholars"
         anchor: visitingscholars
         people:
           - *sumana_harihareswara
+          - *yuchen_zhang
 
       - type: Alumni
         anchor: alumni