fix: remove updater plugin — missing pubkey crashes on startup

Will re-enable after generating Tauri signing keypair.

Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>

src-tauri/src/lib.rs

@@ -150,7 +150,6 @@ pub fn run() {
 
     tauri::Builder::default()
         .plugin(tauri_plugin_shell::init())
-        .plugin(tauri_plugin_updater::Builder::new().build())
         .manage(app_state)
         .invoke_handler(tauri::generate_handler![
             commands::vault::is_first_run,

src-tauri/tauri.conf.json

@@ -43,14 +43,6 @@
     }
   },
   "plugins": {
-    "updater": {
-      "endpoints": [
-        "https://git.command.vigilcyber.com/api/v1/repos/vstockwell/wraith/releases/latest"
-      ],
-      "windows": {
-        "installMode": "passive"
-      }
-    },
     "shell": {
       "open": true
     }