Automatic purge of file outdated for six months.

CVS version numbers

croatian/News/weekly/index.wml: 1.8 -> 1.9(DEAD) 
czech/News/weekly/index.wml: 1.2 -> 1.3(DEAD) 
german/devel/debian-med/microbio.wml: 1.58 -> 1.59(DEAD) 
polish/News/weekly/index.wml: 1.14 -> 1.15(DEAD) 
turkish/News/weekly/index.wml: 1.8 -> 1.9(DEAD)