RFR: 8364519: Sort share/classfile includes [v2]

[Francesco Andreuzzi]

> This PR sorts the includes in hotspot/share/classfile using SortIncludes.java. I'm also adding the directory to TestIncludesAreSorted.
> 
> Passes tier1.

Francesco Andreuzzi has updated the pull request incrementally with one additional commit since the last revision:

  remove redundant includes

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/26590/files
  - new: https://git.openjdk.org/jdk/pull/26590/files/4629ccf9..3477cbce

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26590&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26590&range=00-01

  Stats: 6 lines in 5 files changed: 0 ins; 6 del; 0 mod
  Patch: https://git.openjdk.org/jdk/pull/26590.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26590/head:pull/26590

PR: https://git.openjdk.org/jdk/pull/26590