Remove empty lines (VS Code)

1. Open your code in Visual Studio Code
2. From Edit Menu, select Replace or use a short cut key (command + Option + F on Mac or Ctrl + H on Windows)
3. 
4. In the find box type ^(\s)*$\n
5. Leave the replace box empty
6. Make sure the 'Use Regular Expression' is selected
7. Select 'Replace All' button