feature():去掉多余代码

src/index.tsx

@@ -1,30 +1,4 @@
-import { NativeModules, Platform } from 'react-native';
-
-const LINKING_ERROR =
-  `The package 'react-native-bt-device' doesn't seem to be linked. Make sure: \n\n` +
-  Platform.select({ ios: "- You have run 'pod install'\n", default: '' }) +
-  '- You rebuilt the app after installing the package\n' +
-  '- You are not using Expo Go\n';
-
-const BtDevice = NativeModules.BtDevice
-  ? NativeModules.BtDevice
-  : new Proxy(
-    {},
-    {
-      get() {
-        throw new Error(LINKING_ERROR);
-      },
-    }
-  );
+import { NativeModules } from 'react-native';
 
 const RNMethodModule = NativeModules.RNMethodModule
 export default RNMethodModule;
-
-
-// export function multiply(a: number, b: number): Promise<number> {
-//   return BtDevice.multiply(a, b);
-// }
-
-// export function startBLEScan(){
-//   RNMethodModule.startBLEScan();
-// }