fix: typescript error

Author: ginifizz

pwa/data/con/2021/tracks.ts

@@ -7,15 +7,13 @@ const tracks: Track[] = [
       en: "Track EN",
       fr: "Track EN",
     },
-    type: "English-speaking track",
   },
   {
     id: "2",
     title: {
       en: "Track FR",
       fr: "Track FR",
     },
-    type: "French-speaking track",
   },
 ];
 

pwa/data/con/2022/tracks.ts

@@ -7,15 +7,13 @@ const tracks: Track[] = [
       en: "Track EN",
       fr: "Track EN",
     },
-    type: "English-speaking track",
   },
   {
     id: "2",
     title: {
       en: "Track FR",
       fr: "Track FR",
     },
-    type: "French-speaking track",
   },
 ];