ossia-score: disable clangarm64

Fails with:

ossia-score-3.1.13/3rdparty/libossia/3rdparty/rubberband/src/common/sysutils.cpp:213:26: error: unknown token in expression
__asm__ __volatile__("xchgl %%eax,%0 "

and more of the same

mingw-w64-ossia-score/PKGBUILD

@@ -7,7 +7,7 @@ pkgver=3.1.13
 pkgrel=1
 pkgdesc="ossia score, an interactive sequencer for the intermedia arts"
 arch=('any')
-mingw_arch=('mingw64' 'ucrt64' 'clang64' 'clangarm64')
+mingw_arch=('mingw64' 'ucrt64' 'clang64')
 url="https://ossia.io"
 license=('spdx:GPL-3.0-or-later')
 depends=(