RFR: 8310310: Migrate CreateSymbols tool in make/langtools to Classfile API

[Archie Cobbs]

On Tue, 25 Mar 2025 00:39:17 GMT, Chen Liang <liach at openjdk.org> wrote:

> Migrates the CreateSymbols tool to use the ClassFile API, away from com.sun.tools.classfile.
> 
> Need the boot jdk `--with-boot-jdk=` to be 24; thus a draft for now; but this is open to reviews.
> 
> Together with #24206, the old com.sun.tools.classfile can be removed from the JDK.

Refactoring awesomeness ratio:

1011 deletions
357 additions
RAR: 2.83

Impressive :)

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PR Comment: https://git.openjdk.org/jdk/pull/24212#issuecomment-2784715392