Remove dupes from the pyconf 5th edition page

Author: RajatRajdeep

data/people.jsx

@@ -241,10 +241,6 @@ export const ALL_SPEAKER_VOLUNTEER_IMAGES = [
     imgAlt: "Purusharth Saxena's picture",
     imgUrl: '/images/people/purusharth-saxena.jpg',
   },
-  {
-    imgAlt: "Sarabjot Singh's picture",
-    imgUrl: '/images/people/sarabjot-singh.png',
-  },
   {
     imgAlt: "Venkata Pingali's picture",
     imgUrl: '/images/people/venkata-pingali.jpg',