Drop a stray dbusviewer needle

We removed the test a while back, as the app is not in a default
KDE install any more.

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

needles/kde/apps/dbusviewer_runs-20220112.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 228,
-      "width": 88,
-      "ypos": 8,
-      "type": "match",
-      "height": 14
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "dbusviewer_runs"
-  ]
-}