chore: remove jest -> cypress for unit tests

components/design/Textarea/Textarea.test.tsx

@@ -1,10 +0,0 @@
-import { render } from '@testing-library/react'
-
-import { Textarea } from './Textarea'
-
-describe('<Textarea />', () => {
-  it('should render successfully', () => {
-    const { baseElement } = render(<Textarea label='Textarea' />)
-    expect(baseElement).toBeTruthy()
-  })
-})