Remove unused strings

resource/locales/en-US/translation.json

@@ -491,8 +491,6 @@
     "xss_prevent_setting_link":"Go to Markdown settings",
     "callback_URL": "Callback URL",
     "issuerHost": "Issuer Host",
-    "authorizeURL": "Authorization URL",
-    "tokenURL": "Token URL",
     "scope": "Scope",
     "desc_of_callback_URL": "Use it in the setting of the %s provider",
     "guest_mode": {
@@ -587,8 +585,7 @@
         "mapping_detail": "Specification of mappings for %s when creating new users",
         "register_1": "Contant to OIDC IdP Administrator",
         "register_2": "Register your OIDC App with \"Authorization callback URL\" as <code>%s</code> (where <code>%s</code> is your hostname)",
-        "register_3": "Copy and paste your ClientID and Client Secret above",
-        "register_4": "Set scope to openid"
+        "register_3": "Copy and paste your ClientID and Client Secret above"
       },
       "how_to": {
         "google": "How to configure Google OAuth?",

src/server/views/admin/widget/passport/oidc.html

@@ -187,7 +187,6 @@
     <li>{{ t("security_setting.OAuth.OIDC.register_1") }}</li>
     <li>{{ t("security_setting.OAuth.OIDC.register_2", callbackUrl) }}</li>
     <li>{{ t("security_setting.OAuth.OIDC.register_3") }}</li>
-    <li>{{ t("security_setting.OAuth.OIDC.register_4") }}</li>
   </ol>
 </div>