rm duplicate variables

Author: EskiMojo14

packages/toolkit/src/tests/createAction.test.ts

@@ -129,10 +129,6 @@ class Action {
 }
 describe('isAction', () => {
   it('should only return true for plain objects with a string type property', () => {
-    const actionCreator = createAction('anAction')
-    class Action {
-      type = 'totally an action'
-    }
     const testCases: [action: unknown, expected: boolean][] = [
       [{ type: 'an action' }, true],
       [{ type: 'more props', extra: true }, true],