fix(logos): removed logos no longer using algolia (#2261)

I've followed up with each of these contacts but for now they're not using Algolia. Let's remove them.

packages/website/src/components/showcase-projects.json

@@ -14,11 +14,6 @@
     "image": "img/logos/babel.jpg",
     "href": "https://babeljs.io/docs/en/"
   },
-  {
-    "name": "GraphQL",
-    "image": "img/logos/graphql.jpg",
-    "href": "https://graphql.org/learn/"
-  },
   {
     "name": "TypeScript",
     "image": "img/logos/typescriptlang.svg",
@@ -64,11 +59,6 @@
     "image": "img/logos/react.jpg",
     "href": "https://reactjs.org/docs/getting-started.html"
   },
-  {
-    "name": "jQuery",
-    "image": "img/logos/jquery.jpg",
-    "href": "https://api.jquery.com/"
-  },
   {
     "name": "BootstrapVue",
     "image": "img/logos/bootstrap-vue.svg",
@@ -109,11 +99,6 @@
     "image": "img/logos/twilio.png",
     "href": "https://www.twilio.com/docs"
   },
-  {
-    "name": "Vant",
-    "image": "img/logos/vant.png",
-    "href": "https://youzan.github.io/vant/#/en-US/"
-  },
   {
     "name": "webpack",
     "image": "img/logos/webpack.svg",