Updates version to 9.2 in Lorax options

Also removes lookaside variants for Minimal.

msvsphere-9.conf

@@ -192,7 +192,7 @@ lorax_options = [
         "*": {
             "noupgrade": False,
             "rootfs_size": 3,
-            "version": "9.1"
+            "version": "9.2"
         }
     })
 ]
@@ -210,8 +210,6 @@ variant_as_lookaside = [
 #     ("RT", "AppStream"),
 #     ("NFV", "BaseOS"),
 #     ("NFV", "AppStream"),
-    ("Minimal", "BaseOS"),
-    ("Minimal", "AppStream"),
     ("Extras", "BaseOS"),
     ("Extras", "AppStream")
 ]