Trivial patch. Removes unused imports from `Integer.java` and `Long.java` following [JDK-8370503](https://bugs.openjdk.org/browse/JDK-8370503).
------------- Commit messages: - 8371746: Some imports in Integer.java and Long.java became unused after JDK-8370503 Changes: https://git.openjdk.org/jdk/pull/28277/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=28277&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8371746 Stats: 4 lines in 2 files changed: 0 ins; 4 del; 0 mod Patch: https://git.openjdk.org/jdk/pull/28277.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/28277/head:pull/28277 PR: https://git.openjdk.org/jdk/pull/28277
