Revert "WL-2355 Add the license to all our files."

This reverts commit 9ad3474d547f9e5fe347d89711ec3a89e498e5b8.
WL-2355 Update so that license is before package.

This means Eclipse and IntelliJ will hide the license by default when opening a file.
Merge pull request #72 from ox-it/WL-2355-2

WL-2355 Move license before package.