community/gitea: enable build on s390x

Seems currently version of gitea builds fine on s390x

community/gitea/APKBUILD

@@ -5,7 +5,7 @@ pkgver=1.2.3
 pkgrel=0
 pkgdesc="A self-hosted Git service written in Go"
 url="http://gitea.io/"
-arch="all !s390x"
+arch="all"
 license="MIT"
 depends="git"
 makedepends="go libcap"