RFR: 8264727: Remove extraneous whitespace from phase timings report

[Aleksey Shipilev]

On Mon, 5 Apr 2021 16:45:43 GMT, earthling-amzn <github.com+71722661+earthling-amzn at openjdk.org> wrote:

> This extra space doesn't look like it was intended to improve any alignment of text in the report.

@earthling-amzn Still want to integrate this? You need to title this PR correctly for bots to catch it up.

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PR: https://git.openjdk.java.net/jdk/pull/3342