[commit/Ada] Remove dead function (extract_string)...

[Joel Brobecker]

I just noticed this unused function in ada-lang.c. It turns out I was
supposed to have deleted it last year, but somehow I forgot.

Fixed thusly.

2010-01-12  Joel Brobecker  <brobecker@adacore.com>

        Delete dead function.
        * ada-lang.c (extract_string): Delete.  No longer used.

Checked in.

-- 
Joel
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