RFR: JDK-8288993: Make AwtFramePackTest generic by removing @requires tag

[Harshitha Onkar]

On Wed, 22 Jun 2022 18:50:49 GMT, Harshitha Onkar <honkar at openjdk.org> wrote:

> The following test was changed to generic based on this [Review Comment](https://urldefense.com/v3/__https://github.com/openjdk/jdk/pull/9118*discussion_r897553780__;Iw!!ACWV5N9M2RV99hQ!OeF8K62SHfgLypmQHAuA1ZOTU2Iov7vUmm6SGGwCpt1ghTntSWf2gpN3pceBSNLYHtxgkCN5WcaojrlABQMsg0I8$ ) and as the condition `frame.getSize() == frame.getPreferredSize() ` should hold on all platforms when frame.pack() is used.

@mrserb Just wanted to follow-up and check if you wanted to add anything additional to this PR.

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PR: https://git.openjdk.org/jdk/pull/9248