Removed unused targets from tools/packaging/third_party/Makefile.
These targets have been moved to cache and are defined in depends_packages.cfg.
Removed hiredis-py target as package is not used.
Modified depends_packages.cfg to fix python-bottle name
Removed python-bottle's contrail version  from centos64/icehosue/depends_packages.cfg
Also modifed centos65 files to reflect same changes.

Change-Id: Ieaf187c5317433bfab3c03f343db19e932ac6d5a