Once [JDK-8017234](https://bugs.openjdk.org/browse/JDK-8017234) is done, we have no need for mapfiles anymore in the JDK project. The mapfile handling was inherited from the old build system and is just messy. We should remove it to make the linking process more clear.
Note that this PR is [dependent on](https://mail.openjdk.org/pipermail/jdk-dev/2021-March/005232.html) https://github.com/openjdk/jdk/pull/17955. ------------- Depends on: https://git.openjdk.org/jdk/pull/17955 Commit messages: - 8326406: Remove mapfile support from makefiles Changes: https://git.openjdk.org/jdk/pull/17982/files Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=17982&range=00 Issue: https://bugs.openjdk.org/browse/JDK-8326406 Stats: 54 lines in 4 files changed: 0 ins; 47 del; 7 mod Patch: https://git.openjdk.org/jdk/pull/17982.diff Fetch: git fetch https://git.openjdk.org/jdk.git pull/17982/head:pull/17982 PR: https://git.openjdk.org/jdk/pull/17982