Make blivet-gui 'folder' volume icon needle not workaround

Per the upstream issue, this change was intentional (as a 'least
worst' option), so we shouldn't mark the needle as workaround.

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/anaconda/partitioning/blivet/anaconda_blivet_volumes_icon-folder-20220920.json

@@ -8,12 +8,7 @@
       "type": "match"
     }
   ],
-  "properties": [
-    {
-      "name": "workaround",
-      "value": "this icon should not be a folder - https://github.com/storaged-project/blivet-gui/issues/398"
-    }
-  ],
+  "properties": [],
   "tags": [
     "anaconda_blivet_volumes_icon"
   ]

needles/anaconda/partitioning/blivet/anaconda_blivet_volumes_icon-folder-20230222.json

@@ -8,12 +8,7 @@
       "height": 33
     }
   ],
-  "properties": [
-    {
-      "name": "workaround",
-      "value": "this icon should not be a folder - https://github.com/storaged-project/blivet-gui/issues/398"
-    }
-  ],
+  "properties": [],
   "tags": [
     "anaconda_blivet_volumes_icon"
   ]