fix bugs, improve loading time

js/posts.js

@@ -35,7 +35,7 @@ socket.addEventListener("message", async function (event) {
     }
   }
 })
-var posting_id = undefined;
+
 var cd = true //inversed "cooldown"
 
 async function postMessage() {
@@ -80,8 +80,6 @@ async function update_pid() {
   console.log("Updated pid",posting_id)
 }
 
-document.getElementById("post-btn").addEventListener("click",postMessage)
-
 function spacerTextNode() {
   return document.createTextNode(" | ")
 }