RFR: 8281400: Remove unused wcslen() function from globalDefinitions_gcc.hpp

[David Holmes]

On Mon, 7 Feb 2022 21:30:32 GMT, Harold Seigel <hseigel at openjdk.org> wrote:

> Please review this small change to remove the unused wcslen() function.  This change was tested by running Mach5 tiers 1-2 on Linux, Mac OS, and Windows.
> 
> Thanks, Harold

Please fix both files and update the JBS issue title etc.

Thanks.

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PR: https://git.openjdk.java.net/jdk/pull/7374