dev-python/pyalsa: remove unused patch.

dev-python/pyalsa/files/pyalsa-1.0.25-no-build-symlinks.patch

@@ -1,25 +0,0 @@
-The build system creates some symlinks that are useful when developing
-but get in the way when we install for more than one python. Remove
-these.
-
-Not a patch for upstream, as it makes development slightly more
-complicated.
-
-Patch by Arfrever.
-
---- setup.py
-+++ setup.py
-@@ -57,12 +57,3 @@
-         packages=['pyalsa'],
-         scripts=[]
- )
--
--uname = os.uname()
--a = 'build/lib.%s-%s-%s' % (uname[0].lower(), uname[4], sys.version[:3])
--for f in ['alsacard.so', 'alsacontrol.so', 'alsahcontrol.so', 'alsamixer.so', 'alsaseq.so']:
--        if not os.path.exists('pyalsa/%s' % f):
--                a = '../build/lib.%s-%s-%s/pyalsa/%s' % (uname[0].lower(),
--                        uname[4], sys.version[:3], f)
--                print a, f
--                os.symlink(a, 'pyalsa/%s' % f)
-