RFR: CODETOOLS-7903254: Fix trailing whitespace in files

[Iris Clark]

On Tue, 16 Aug 2022 17:29:35 GMT, Jonathan Gibbons <jjg at openjdk.org> wrote:

> Please review a scripted update to remove trailing white space from `make` and `test` files.
> 
> 
> grep -rl ' $' open/make open/test | xargs sed -i .BAK -e 's/  *$//'

Marked as reviewed by iris (Reviewer).

-------------

PR: https://git.openjdk.org/jtreg/pull/103