Merge pull request #347 from bastelfreak/debian

Drop EoL Debian 8/9

Author: bastelfreak

metadata.json

@@ -62,8 +62,6 @@
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "8",
-        "9",
         "10",
         "11"
       ]