[patch] hooks.[ch]: Remove unused functions.

[Mark Mitchell]

Kazu Hirata wrote:

>Hi,
>
>Attached is a patch to remove unused functions.
>
>IMHO, these functions are so easy to add back in should the need
>arise.
>
>Bootstrapped on i686-pc-linux-gnu.  OK to apply?
>  
>
OK.

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Mark Mitchell
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