Revert "Updated extension description"

This reverts commit 20a20d7283181c466d7517fbb5e97d72bd5fe62a.

copylinkaddress.js

@@ -3,15 +3,6 @@ $('body').append(linkAddress);
 // 'Hidden' yet selectable
 linkAddress.css({position: 'absolute', left:'-9999em'});
 
-function clearLinkAddress() {
-    if (linkAddress.val()) {
-        linkAddress.val(null);
-        console.log("Cleared linkAddress");
-        window.getSelection().removeAllRanges();
-    }
-    console.log("Current selection: " + window.getSelection().toString());
-}
-
 $(function() {
     $('a').on({
         mouseenter: function() {
@@ -27,9 +18,12 @@ $(function() {
         },
         mouseleave: function() {
             console.log("Leaving link.");
-            clearLinkAddress();
+            if (linkAddress.val()) {
+                linkAddress.val(null);
+                console.log("Cleared linkAddress");
+                window.getSelection().removeAllRanges();
+            }
+            console.log("Current selection: " + window.getSelection().toString());
         }
     });
-
-    window.onbeforeunload = clearLinkAddress();
 });