Removing some dead code in paged view

> Removing fling to delete pages
> Removing delete drop target for pages
> Removing syncpages support (was used by paged all apps)

Change-Id: I0a35ae30da8c48a27aac341bbee9fb5623665902
diff --git a/src/com/android/launcher3/Launcher.java b/src/com/android/launcher3/Launcher.java
index 339b4e4..ee8be62 100644
--- a/src/com/android/launcher3/Launcher.java
+++ b/src/com/android/launcher3/Launcher.java
@@ -3219,8 +3219,7 @@
         // The hotseat touch handling does not go through Workspace, and we always allow long press
         // on hotseat items.
         final boolean inHotseat = isHotseatLayout(v);
-        boolean allowLongPress = inHotseat || mWorkspace.allowLongPress();
-        if (allowLongPress && !mDragController.isDragging()) {
+        if (!mDragController.isDragging()) {
             if (itemUnderLongClick == null) {
                 // User long pressed on empty space
                 mWorkspace.performHapticFeedback(HapticFeedbackConstants.LONG_PRESS,