Drop Boxes/Connections needles for now

We're not using them, so they fail the unused needles check. We
can just revert this commit when we want them back.

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

needles/anaconda/vnc/boxes_allow_inhibit-20191105.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 615,
-      "ypos": 437,
-      "width": 43,
-      "height": 14,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "boxes_allow_inhibit"
-  ]
-}

needles/anaconda/vnc/boxes_fullscreen-20191105.json

@@ -1,16 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 864,
-      "ypos": 43,
-      "width": 18,
-      "height": 15,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "boxes_fullscreen",
-    "connections_fullscreen"
-  ]
-}

needles/anaconda/vnc/boxes_new_connection-20191105.json

@@ -1,16 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 17,
-      "ypos": 42,
-      "width": 16,
-      "height": 16,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "boxes_new_connection",
-    "connections_new_connection"
-  ]
-}

needles/anaconda/vnc/connections_connect-20210506.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "xpos": 103,
-      "ypos": 156,
-      "width": 24,
-      "height": 30,
-      "type": "match"
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "connections_connect"
-  ]
-}