Update who-uses.json

remove duplication

Author: ShlomoCode

content/discover/who-uses.json

@@ -63,10 +63,6 @@
       "logo": "/assets/logo/bytedance.png",
       "url": "https://www.bytedance.com"
     },
-    {
-      "logo": "/assets/logo/ibm.svg",
-      "url": "https://www.ibm.com/"
-    },
     {
       "logo": "/assets/logo/shipt.png",
       "url": "https://www.shipt.com/"