refactor: move copy function to utils.js

web/assets/js/util/common.js

@@ -53,24 +53,6 @@ function formatSecond(second) {
     }
 }
 
-function copyToClipboard(text) {
-    // !! here old way of copying is used because not everyone can afford https connection
-    return new Promise((resolve) => {
-        const textarea = document.createElement("textarea");
-
-        textarea.value = text;
-
-        document.body.appendChild(textarea);
-
-        textarea.select();
-        document.execCommand("copy");
-
-        document.body.removeChild(textarea);
-
-        resolve(text)
-    })
-}  
-
 function addZero(num) {
     if (num < 10) {
         return "0" + num;