obs: Remove golang from osc dockerfile

Reduce pipeline time by not installing golang.

golang is not needed to use osc, it makes slower the image creation.

- remove go dependency from pacakge lib

Remove calls to golang, this will be not not installed in
the docker image.

Signed-off-by: Jose Carlos Venegas Munoz <jose.carlos.venegas.munoz@intel.com>

scripts/lib.sh

@@ -95,3 +95,16 @@ get_kata_hash_from_tag() {
 	repo=$1
 	git ls-remote --tags "https://github.com/${project}/${repo}.git" | grep "refs/tags/${kata_version}^{}" | awk '{print $1}'
 }
+
+arch_to_golang()
+{
+	local -r arch="$1"
+
+	case "$arch" in
+		aarch64) echo "arm64";;
+		ppc64le) echo "$arch";;
+		x86_64) echo "amd64";;
+		s390x) echo "s390x";;
+		*) die "unsupported architecture: $arch";;
+	esac
+}