fix: v6页checkUpdate+applyUpdate全用Bridge(移除fetch+CSP误伤)

packages/client-android/android/app/src/main/java/dev/yuzu/gca/MainActivity.kt

@@ -24,16 +24,7 @@ class MainActivity : AppCompatActivity() {
             settings.domStorageEnabled = true
             settings.allowFileAccess = true
             addJavascriptInterface(Bridge(this@MainActivity), "Android")
-            webViewClient = object : WebViewClient() {
-                override fun onPageFinished(view: WebView, url: String) {
-                    view.evaluateJavascript("""
-                        var meta = document.createElement('meta');
-                        meta.httpEquiv = 'Content-Security-Policy';
-                        meta.content = "default-src 'none'; script-src 'unsafe-inline'; connect-src 'none'";
-                        document.head.appendChild(meta);
-                    """.trimIndent(), null)
-                }
-            }
+            webViewClient = object : WebViewClient() {}
 
             if (cacheFile.exists()) {
                 val html = cacheFile.readText()