RFR: 8326406: Remove mapfile support from makefiles

[Julian Waters]

On Fri, 23 Feb 2024 12:42:08 GMT, Magnus Ihse Bursie <ihse at openjdk.org> wrote:

> 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.

Marked as reviewed by jwaters (Committer).

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PR Review: https://git.openjdk.org/jdk/pull/17982#pullrequestreview-1898222180