community/vpcs: fix build on aarch64

We no longer need to and should not specify LONG_BIT

community/vpcs/APKBUILD

@@ -13,7 +13,7 @@ source="$pkgname-$pkgver.tar.gz::https://github.com/GNS3/${pkgname}/archive/v${p
 	vpcs_alpine_aarch64.patch"
 
 build() {
-	cd src && ./mk.sh $(getconf LONG_BIT)
+	cd src && ./mk.sh
 }
 
 check() {