Remove invalid touch-action scroll

Breaks the "should scroll" logic in polymer-gestures

Author: dfreedm

elements/pi-accounts.html

@@ -76,7 +76,6 @@
 
       Polymer('pi-accounts', {
         ready: function() {
-          this.setAttribute('touch-action', 'scroll');
           this.asyncFire('ready');
         },
         accountsChanged: function() {

elements/pi-items-view.html

@@ -62,7 +62,6 @@
         pageSize: 27,
         ready: function() {
           this.makeDummyTiles();
-          this.setAttribute('touch-action', 'scroll');
         },
         makeDummyTiles: function() {
           this.dummyTiles = [];