<i18n dev> RFR: 8344191: Build code should not have classpath exception

[Magnus Ihse Bursie]

In several (most? all?) of the build system files, the copyright header includes the classpath exception. This makes no sense, and should be removed. 

I have removed the classpath exception from makefiles, autoconf, shell scripts, properties files, configuration files, IDE support files, build tools and data.

The only places where the classpath exception is still kept in the make directory is as text strings in some build tools, which generate source code that is bundled with `src.zip`, and thus *must* have the classpath exception.

This is a huge and autogenerated, but content-wise trivial, PR, and I know such are hard to review. I recommend looking at the entire diff file instead of checking this file-by-file in the Github web GUI. (That's bound to be a painful experience)

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Commit messages:
 - Update build tools, data and IDE support
 - Update makefiles, autoconf, shell scripts, properties files and configuration files

Changes: https://git.openjdk.org/jdk/pull/22104/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=22104&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8344191
  Stats: 2054 lines in 555 files changed: 0 ins; 1118 del; 936 mod
  Patch: https://git.openjdk.org/jdk/pull/22104.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/22104/head:pull/22104

PR: https://git.openjdk.org/jdk/pull/22104