fix(FN-4486): complete Step 1 — drop closed desktop stubs and unblock node-pty typing

Fusion-Task-Id: FN-4486
Fusion-Task-Lineage: 7d3b40b2-883f-450c-96ec-796f8af4fa45

packages/desktop/src/node-pty.d.ts

@@ -0,0 +1,12 @@
+declare module "node-pty" {
+  export interface IPty {
+    [key: string]: any;
+  }
+  export interface IPtyForkOptions {
+    [key: string]: any;
+  }
+  export interface IWindowsPtyForkOptions extends IPtyForkOptions {
+    [key: string]: any;
+  }
+  export function spawn(...args: any[]): IPty;
+}