fix: remove duplicate assertion

Author: Kikobeats

packages/vm/tests/edge-runtime.test.ts

@@ -374,11 +374,6 @@ describe('Using `instanceof`', () => {
         `(new TextEncoder().encode('abc')) instanceof Object`,
       ),
     ).toBe(true)
-    expect(
-      new EdgeVM().evaluate(
-        `(new TextEncoder().encode('abc')) instanceof Object`,
-      ),
-    ).toBe(true)
     expect(
       new EdgeVM().evaluate(`
           class Foo {};