Merge pull request #442 from bastelfreak/ol7

Drop EoL EL7 support

Author: bastelfreak

data/family/RedHat/6.yaml

@@ -25,22 +25,19 @@
     {
       "operatingsystem": "RedHat",
       "operatingsystemrelease": [
-        "7",
         "8",
         "9"
       ]
     },
     {
       "operatingsystem": "CentOS",
       "operatingsystemrelease": [
-        "7",
         "8"
       ]
     },
     {
       "operatingsystem": "OracleLinux",
       "operatingsystemrelease": [
-        "7",
         "8",
         "9"
       ]
@@ -52,12 +49,6 @@
         "9"
       ]
     },
-    {
-      "operatingsystem": "Scientific",
-      "operatingsystemrelease": [
-        "7"
-      ]
-    },
     {
       "operatingsystem": "Debian",
       "operatingsystemrelease": [