package/pulseaudio: remove musl fix

A recent change in puseaudio 8.0 [1] removed the nonstandard
__WORDSIZE define. So 0002-musl-fixes.patch is not needed
anymore.

Also remove PULSEAUDIO_AUTORECONF.

Fixes:
http://autobuild.buildroot.net/results/dc6/dc6642b18a97f6e0ac1524fe836226a7ee23df86

[1] https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=7c1a5d61597b8a7b762f8295c7d791942dba3fb5



Signed-off-by: Romain Naour <romain.naour@gmail.com>
Cc: Bernd Kuhls <bernd.kuhls@t-online.de>
Cc: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>