remove defunct javascript interface
remove defunct javascript interface

Bug: 7073422

The feature that is using search box implementation was removed from
browser after Honeycomb. This is to remove the js interface that
is added for this feature.

Change-Id: I9441d461caf189467e4ad45de958c13b81f4ff17

xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base,xorware/android_frameworks_base