RFR: 8366556: Sort share/runtime includes

[Francesco Andreuzzi]

This PR sorts the includes in `hotspot/share/runtime` using `SortIncludes.java`, and removes some unnecessary ones. I'm also adding the directory to `TestIncludesAreSorted`.

Passes tier1.

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Commit messages:
 - sort

Changes: https://git.openjdk.org/jdk/pull/27034/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27034&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8366556
  Stats: 98 lines in 39 files changed: 45 ins; 52 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/27034.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27034/head:pull/27034

PR: https://git.openjdk.org/jdk/pull/27034