Use observable for end move and prone flag

src/modules/record_sheet.js

@@ -118,8 +118,6 @@ function deselect() {
   if (selected) {
     selected.classList.remove('selected');
   }
-
-  document.getElementById('toggle-prone-counter').checked = false;
 }
 
 function clear() {
@@ -137,7 +135,6 @@ function select(data) {
   if (isSelected || !data) return;
 
   record.classList.add('selected');
-  document.querySelector('#toggle-prone-counter').checked = data.prone;
 }
 
 export function getSelected() {
@@ -170,5 +167,6 @@ export function start(startLoc, units) {
   }
 
   Observable.subscribe('select', select);
+  Observable.subscribe('endmove', endMove);
   addEventListeners();
 }