Remove old package for fix README
PyRFA 7.6.1.1 for Linux Released
PyRFA 7.6.1.1 for RHEL5 Released
PyRFA 7.6.1.1 for RHEL6.4 Released
PyRFA 7.6.1.1 for Python26 Windows 64bit Released
PyRFA 7.6.1.1 for Python27 Windows 64bit Released
PyRFA 7.6.1.1 for Python26 Windows 32bit Released
PyRFA 7.6.1.1 for Python27 Windows 32bit Released