fix: install manifest

Author: kitsonk

install.manifest.json

@@ -30,7 +30,6 @@
     "./static/favicon-32x32.png",
     "./static/favicon.ico",
     "./static/logo.svg",
-    "./static/site.webmanifest",
-    "./social.png"
+    "./static/site.webmanifest"
   ]
 }