Cleaning up translation files removing some spammy links (ie. not using piwik)

git-svn-id: http://dev.piwik.org/svn/trunk@7801 59fd770c-687e-43c8-a1e3-f5a4ff64c105
I can replicate failure locally by executing: phpunit --filter TaskScheduler

git-svn-id: http://dev.piwik.org/svn/trunk@7802 59fd770c-687e-43c8-a1e3-f5a4ff64c105