RFR: 8280414: Memory leak in DefaultProxySelector

[Daniel Jeliński]

On Fri, 21 Jan 2022 08:25:30 GMT, Daniel Jeliński <djelinski at openjdk.org> wrote:

> We were leaking the list returned by `createProxyList`. Verified that the leak is no longer present with this patch. Also removed a few unused variables.
> 
> Reported by clang-tidy.

Thanks for reviewing!

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PR: https://git.openjdk.java.net/jdk/pull/7172