8312521: Unused field LocaleProviderAdapter#defaultLocaleProviderAdapter could be removed

[turbanoff]

After JDK-8245241, the field sun.util.locale.provider.LocaleProviderAdapter#defaultLocaleProviderAdapter is only written in <clinit> and then is not used after.
We can remove it.

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Issue

• JDK-8312521: Unused field LocaleProviderAdapter#defaultLocaleProviderAdapter could be removed (Enhancement - P5)

Reviewers

• Naoto Sato (@naotoj - Reviewer)

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[bridgekeeper]

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[openjdk]

@turbanoff The following labels will be automatically applied to this pull request:

• core-libs
• i18n

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[mlbridge]

Webrevs

• 00: Full (01569f89)

[naotoj]

Thanks for cleaning the leftovers. Looks good.

[openjdk]

@turbanoff This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8312521: Unused field LocaleProviderAdapter#defaultLocaleProviderAdapter could be removed

Reviewed-by: naoto

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 86 new commits pushed to the master branch:

• e22762c: 8314932: G1: Fix -Wconversion warnings for simple cases inside g1 folder
• 762b652: 8314573: G1: Heap resizing at Remark does not take existing eden regions into account
• a4e97aa: 8314753: Remove support for @beaninfo, @todo, @since.unbundled, and @note
• 5cc64cc: 8309463: IGV: Dynamic graph layout algorithm
• 1d02507: 8314476: TestJstatdPortAndServer.java failed with "java.rmi.NoSuchObjectException: no such object in table"
• 93188bd: 8314569: (fs) Improve normalization of UnixPath for input with trailing slashes
• 8b8182d: 8315087: G1: Use uint for G1 flags indicating percentage
• 3dc266c: 8315070: RISC-V: Clean up platform dependent inline headers
• 25f5df2: 8315073: Zero build on macOS fails after JDK-8303852
• a03954e: 8309697: [TESTBUG] Remove "@requires vm.flagless" from jtreg vectorization tests
• ... and 76 more: https://git.openjdk.org/jdk/compare/3e1b1bf94e7acf9717b837085e61fc05a7765de4...master

As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[turbanoff]

/integrate

[openjdk]

Going to push as commit c12ca88.
Since your change was applied there have been 119 commits pushed to the master branch:

• b38bcae: 8313656: assert(!JvmtiExport::can_support_virtual_threads()) with -XX:-DoJVMTIVirtualThreadTransitions
• c8acab1: 8315413: Remove special filtering of Continuation.yield0 in StackWalker
• ea5aa61: 8315383: jlink SystemModulesPlugin incorrectly parses the options
• 29ff1e4: 8315445: 8314748 causes crashes in x64 builds
• 145d8bc: 8315051: jdk/jfr/jvm/TestGetEventWriter.java fails with non-JVMCI GCs
• 486fa08: 8313873: java/nio/channels/DatagramChannel/SendReceiveMaxSize.java fails on AIX due to small default RCVBUF size and different IPv6 Header interpretation
• b0353ad: 8315242: G1: Fix -Wconversion warnings around GCDrainStackTargetSize
• b594f01: 8314748: 1-10% regressions on Crypto micros
• 39f1813: 8315318: Typo in comment on sun.nio.ch.Net.unblock4
• 47aa6f3: 8315219: G1: Improve allocator pathological case where it keeps doing direct allocations instead of retiring a PLAB
• ... and 109 more: https://git.openjdk.org/jdk/compare/3e1b1bf94e7acf9717b837085e61fc05a7765de4...master

Your commit was automatically rebased without conflicts.

[openjdk]

@turbanoff Pushed as commit c12ca88.

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