Revert WASM worker threading

src/transformers.mjs

@@ -6,7 +6,7 @@ configureTransformers();
 
 function configureTransformers() {
     // Limit the number of threads to 1 to avoid issues on Android
-    env.backends.onnx.wasm.numThreads = process.platform === 'android' ? 1 : 0;
+    env.backends.onnx.wasm.numThreads = 1;
     // Use WASM from a local folder to avoid CDN connections
     env.backends.onnx.wasm.wasmPaths = path.join(process.cwd(), 'dist') + path.sep;
 }