As discussed in https://github.com/openjdk/jdk/pull/3464 we can clean-up null-checks remaining after [8142968](https://bugs.openjdk.java.net/browse/JDK-8142968) as Class.getPackageName() never returns null.
------------- Commit messages: - 8265418: Clean-up redundant null-checks of Class.getPackageName() Changes: https://git.openjdk.java.net/jdk/pull/3571/files Webrev: https://webrevs.openjdk.java.net/?repo=jdk&pr=3571&range=00 Issue: https://bugs.openjdk.java.net/browse/JDK-8265418 Stats: 19 lines in 7 files changed: 1 ins; 8 del; 10 mod Patch: https://git.openjdk.java.net/jdk/pull/3571.diff Fetch: git fetch https://git.openjdk.java.net/jdk pull/3571/head:pull/3571 PR: https://git.openjdk.java.net/jdk/pull/3571
