fix: remove matteo collina from speakers front page (graphql#1506)

* Update index.tsx

* update show all speakers button

Author: YassinEldeeb

src/components/Conf/Speakers/index.tsx

@@ -23,13 +23,6 @@ const speakers: Speaker[] = [
     image:
       "https://pbs.twimg.com/profile_images/922586508871139330/60rIRufM_400x400.jpg",
   },
-  {
-    name: "Matteo Collina",
-    title: "Creator of Fastify, Platformatic CTO, Node TSC",
-    twitter: "https://twitter.com/matteocollina",
-    image:
-      "https://pbs.twimg.com/profile_images/1541698320443314179/4Cp5IrGB_400x400.jpg",
-  },
   {
     name: "Marc-André Giroux",
     title: "Author of Production Ready GraphQL, GraphQL TSC",
@@ -84,7 +77,7 @@ const SpeakersConf = () => {
           ))}
         </div>
         <div className="flex justify-center items-center flex-wrap py-6">
-          <ButtonConf href="/conf/schedule/">See all speakers</ButtonConf>
+          <ButtonConf href="/conf/speakers/">See all speakers</ButtonConf>
         </div>
         <div className="flex flex-col text-center mx-auto max-w-prose text-white px-4">
           <p>