RFR: 8268119: Rename copy_os_cpu.inline.hpp files to copy_os_cpu.hpp

[Stefan Karlsson]

Today we transitively include the `copy_<os>_<cpu>.inline.hpp` files from `copy.hpp`. This is goes against the HotSpot Style Guide that states:

> .inline.hpp files should only be included in .cpp or .inline.hpp files.

The `copy_<os>_<cpu>.inline.hpp` don't include any other HotSpot files, so I propose that we simply rename them to `copy_<os>_<cpu>.hpp`.

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Commit messages:
 - 8268119: Rename copy_os_cpu.inline.hpp files to copy_os_cpu.hpp

Changes: https://git.openjdk.java.net/jdk/pull/4311/files
 Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=4311&range=00
  Issue: https://bugs.openjdk.java.net/browse/JDK-8268119
  Stats: 36 lines in 10 files changed: 0 ins; 12 del; 24 mod
  Patch: https://git.openjdk.java.net/jdk/pull/4311.diff
  Fetch: git fetch https://git.openjdk.java.net/jdk pull/4311/head:pull/4311

PR: https://git.openjdk.java.net/jdk/pull/4311