[fortran,patch] Remove unused gfc_open_intrinsic_module()

[FX]

>> A quick grep through the front-end indicates that
>> gfc_open_intrinsic_module() is never used. Should it have been
>> removed when module file reading/writing was overhauled?
> 
> I suspect the answer is "yes”.

Here’s a patch that removes it. It buils fine.
OK to commit?

FX

-------------- next part --------------
A non-text attachment was scrubbed...
Name: a.ChangeLog
Type: application/octet-stream
Size: 183 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/fortran/attachments/20131124/2e724f21/attachment.obj>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: a.diff
Type: application/octet-stream
Size: 1086 bytes
Desc: not available
URL: <http://gcc.gnu.org/pipermail/fortran/attachments/20131124/2e724f21/attachment-0001.obj>