RFR: JDK-8285504 Minor cleanup could be done in javax.net [v4]

[Bradford Wetmore]

On Thu, 28 Apr 2022 16:37:35 GMT, Mark Powers <duke at openjdk.java.net> wrote:

>> `Security.getProperty()` does not specify the value will be `trim()`.
>
> My mistake. It's only the trim that you wanted removed, line 94.

No, the API for Security.getProperty doesn't specify trimming, so suggest leaving the trim() part also.

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PR: https://git.openjdk.java.net/jdk/pull/8384