(MAINT) Remove SLES 11 support

Ciaran McCrisken · Ciaran McCrisken · commit b2c38a085789 · 2021-02-24T17:04:19.000Z
diff --git a/metadata.json b/metadata.json
@@ -51,7 +51,6 @@
     {
       "operatingsystem": "SLES",
       "operatingsystemrelease": [
-        "11 SP1",
         "12",
         "15"
       ]
