Remove nautilus context menu star needles

We already changed how we do this since the context menu entry
was removed, just cleaning up the now-unneeded needles.

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

needles/gnome/apps/nautilus/nautilus_context_star-20220722.json

@@ -1,15 +0,0 @@
-{
-  "area": [
-    {
-      "type": "match",
-      "height": 35,
-      "ypos": 572,
-      "xpos": 320,
-      "width": 35
-    }
-  ],
-  "properties": [],
-  "tags": [
-    "nautilus_context_star"
-  ]
-}

needles/gnome/apps/nautilus/nautilus_context_star.json

@@ -1,15 +0,0 @@
-{
-  "properties": [],
-  "tags": [
-    "nautilus_context_star"
-  ],
-  "area": [
-    {
-      "xpos": 306,
-      "ypos": 394,
-      "width": 35,
-      "height": 35,
-      "type": "match"
-    }
-  ]
-}