chore: Remove useExternalServices check for isDecodeSignatureRequestE… (

#29939)

…nabled


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## **Related issues**

Fixes:
[#29847](#29847)

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app/scripts/metamask-controller.js

@@ -1990,7 +1990,6 @@ export default class MetamaskController extends EventEmitter {
       trace,
       decodingApiUrl: process.env.DECODING_API_URL,
       isDecodeSignatureRequestEnabled: () =>
-        this.preferencesController.state.useExternalServices === true &&
         this.preferencesController.state.useTransactionSimulations,
     });