Remove bundled, unmaintained libjasper source code

[ChangeLog][Third-Party Code] The unmaintained bundled libjasper has been
removed. Building the jp2 handler will require libjasper to be present as
a system or external library.

Change-Id: Ic48cc6021fc5fb64fb369eb9621fd7a811e8e9f7
Reviewed-by: Thiago Macieira <thiago.macieira@intel.com>