Delete unused needles

These needles have been probably forgotten and left over from one
of the previous commits. The tox tests are failing on other
pull requests and this PR fixes it.

needles/gnome/gnome_open_location_documents-20211112.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "height": 20,
-      "xpos": 15,
-      "width": 101,
-      "ypos": 169,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "gnome_open_location_documents"
-  ]
-}

needles/gnome/gnome_open_location_documents.json

@@ -1,15 +0,0 @@
-{
-  "properties": [],
-  "tags": [
-    "gnome_open_location_documents"
-  ],
-  "area": [
-    {
-      "xpos": 15,
-      "ypos": 168,
-      "width": 101,
-      "height": 20,
-      "type": "match"
-    }
-  ]
-}