drop legacy OS from support matrix

we should not support outdated operating systems. They all went EOL in the past months. This also reduces our test-runtime significatly.
voxpupuli · May 27, 2017 · 162be38 · 162be38
1 parent 8d29820
commit 162be38
Showing 1 changed file with 0 additions and 6 deletions.
diff --git a/metadata.json b/metadata.json
@@ -3,47 +3,41 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "5",
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "5",
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "5",
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "Scientific",
       "operatingsystemrelease": [
-        "5",
         "6",
         "7"
       ]
     },
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [
-        "6",
         "7",
         "8"
       ]
     },
     {
       "operatingsystem": "Ubuntu",
       "operatingsystemrelease": [
-        "12.04",
         "14.04",
         "16.04"
       ]