RFR: 8254084: Remove TemplateTable::pd_initialize

[Coleen Phillimore]

On Tue, 6 Oct 2020 17:14:42 GMT, Claes Redestad <redestad at openjdk.org> wrote:

> TemplateTable::pd_initialize is empty on all platforms, and has been so for some time. I suggest removing them.

Echo @TheRealMDoerr wrt templateTable.hpp.   Also trivial.

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Marked as reviewed by coleenp (Reviewer).

PR: https://git.openjdk.java.net/jdk/pull/529