message: chore: removes redundant type definition install instruction
diff: @@ -13,7 +13,7 @@ You can install `ts-jest` and dependencies all at once with the following comman
  Using `npm`:
  ```sh
  -npm install --save-dev jest typescript ts-jest @types/jest
  +npm install --save-dev jest typescript ts-jest
  ```
  </div><div class="col-md-6" markdown="block">
  @@ -21,7 +21,7 @@ npm install --save-dev jest typescript ts-jest @types/jest
  Using `yarn`:
  ```sh
  -yarn add --dev jest typescript ts-jest @types/jest
  +yarn add --dev jest typescript ts-jest
  ```
  </div></div>
  