RFR: 8370028: Remove author tags from mathematical classes

[Joe Darcy]

Removing my author tags under `/src` and other authors tags in those files.
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### Progress
- [ ] Change must be properly reviewed (1 review required, with at least 1 [Reviewer](https://openjdk.org/bylaws#reviewer))
- [x] Change must not contain extraneous whitespace
- [x] Commit message must refer to an issue

### Error
 ⚠️ The pull request body must not be empty.



### Reviewing
<details><summary>Using <code>git</code></summary>

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`$ git checkout pull/27852`

Update a local copy of the PR: \
`$ git checkout pull/27852` \
`$ git pull https://git.openjdk.org/jdk.git pull/27852/head`

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Commit messages:
 - JDK-8370028: Remove author tags from mathematical classes

Changes: https://git.openjdk.org/jdk/pull/27852/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=27852&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8370028
  Stats: 47 lines in 13 files changed: 0 ins; 45 del; 2 mod
  Patch: https://git.openjdk.org/jdk/pull/27852.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/27852/head:pull/27852

PR: https://git.openjdk.org/jdk/pull/27852