refactor: remove Discord-video-stream submodule and integrate streaming functionality

tests/vendor/videoStreamWorkspaceDependency.test.ts

@@ -1,20 +0,0 @@
-import { readFileSync } from "node:fs";
-import { describe, expect, it } from "vitest";
-
-const videoStreamPackage = JSON.parse(
-  readFileSync("vendor/Discord-video-stream/package.json", "utf8"),
-) as {
-  devDependencies?: Record<string, string>;
-  peerDependencies?: Record<string, string>;
-};
-
-describe("Discord video stream workspace dependencies", () => {
-  it("uses the local selfbot workspace package for development", () => {
-    expect(videoStreamPackage.devDependencies?.["discord.js-selfbot-v13"]).toBe(
-      "workspace:*",
-    );
-    expect(
-      videoStreamPackage.peerDependencies?.["discord.js-selfbot-v13"],
-    ).toBe("^3.6.0");
-  });
-});