(MAINT) Remove SLES 11 support

Ciaran McCrisken · Ciaran McCrisken · commit d2ba503859ef · 2021-02-24T17:04:18.000Z
diff --git a/metadata.json b/metadata.json
@@ -59,7 +59,6 @@
     {
       "operatingsystem": "SLES",
       "operatingsystemrelease": [
-        "11 SP1",
         "12",
         "15"
       ]
