fix(webui): remove unused bot identity settings

webui/src/i18n/locales/en/common.json

@@ -99,7 +99,7 @@
       "webBehavior": "Behavior",
       "cliApps": "CLI apps",
       "mcp": "MCP services",
-      "identity": "Identity",
+      "regional": "Regional",
       "webuiSafety": "Web safety",
       "capabilities": "Capabilities",
       "apps": "Apps",
@@ -190,8 +190,6 @@
       "defaultImageSize": "Default size",
       "maxImagesPerTurn": "Max images per turn",
       "imageSaveDir": "Save directory",
-      "botName": "Bot name",
-      "botIcon": "Bot icon",
       "timezone": "Timezone",
       "workspacePath": "Default workspace",
       "localServiceAccess": "Local services",
@@ -235,8 +233,6 @@
       "defaultAspectRatio": "Used when the prompt does not choose an aspect ratio.",
       "defaultImageSize": "Size hint sent to providers that support it.",
       "maxImagesPerTurn": "Upper bound for one generate_image request.",
-      "botName": "Shown wherever nanobot uses a display name.",
-      "botIcon": "Short emoji or text shown with the bot name.",
       "timezone": "Used for schedules and time-aware replies.",
       "cliAppsCatalog": "Install only the app-specific CLI adapters nanobot can run locally; native apps stay untouched.",
       "cliAppsFilter": "Search by app, category, or capability.",