update fromPage review by daiqiang

@@ -83,7 +83,7 @@ class GroupPurchaseDetailContainer extends Component {
 
     shareSnapshootAction(shareType,url) {
 
-      let fromPage = Platform.OS === 'android' ? 'aFP_GroupPurchaseDetail' : 'iFP_GroupPurchaseDetail';
+      let fromPage = 'GroupPurchaseDetail';
       let param = {
         shareType,
         imageUrl: url,