Update Japanese 'install done' needle

The button is translated now.

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

needles/anaconda/install_process/japanese/install_done_japanese-reboot-20200509.json

@@ -0,0 +1,24 @@
+{
+  "area": [
+    {
+      "xpos": 706,
+      "width": 305,
+      "ypos": 670,
+      "type": "match",
+      "height": 14
+    },
+    {
+      "width": 105,
+      "type": "match",
+      "ypos": 740,
+      "height": 14,
+      "xpos": 875
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "anaconda_install_done",
+    "ENV-DISTRI-fedora",
+    "LANGUAGE-japanese"
+  ]
+}