Revert "networkd: NetLabel integration"

This reverts PR #23269 and its follow-up commit. Especially,
2299b1cae32c1fb8911da0ce26efced68032f4f8 (partially), and
3cf63830acdef9d8afdc9ef1cf25aa7e85a5e4d5.

The PR was merged without final approval, and has several issues:
- The NetLabel for static addresses are not assigned, as labels are
  stored in the Address objects managed by Network, instead of Link.
- If NetLabel is specified for a static address, then the address
  section will be invalid and the address will not be configured,
- It should be implemented with Request object,
- There is no test about the feature.

1 files changed, 0 insertions, 31 deletions

diff --git a/src/test/test-in-addr-util.c b/src/test/test-in-addr-util.c
index 623e9f831e..f5dcad65d5 100644
--- a/src/test/test-in-addr-util.c
+++ b/src/test/test-in-addr-util.c
@@ -364,35 +364,4 @@ TEST(in_addr_to_string) {
         test_in_addr_to_string_one(AF_INET6, "fe80::");
 }
 
-TEST(in_addr_prefixlen_to_netmask) {
-        union in_addr_union addr;
-        static const char *const ipv4_netmasks[] = {
-                "0.0.0.0", "128.0.0.0", "192.0.0.0", "224.0.0.0", "240.0.0.0",
-                "248.0.0.0", "252.0.0.0", "254.0.0.0", "255.0.0.0",
-                "255.128.0.0", "255.192.0.0", "255.224.0.0", "255.240.0.0",
-                "255.248.0.0", "255.252.0.0", "255.254.0.0", "255.255.0.0",
-                "255.255.128.0", "255.255.192.0", "255.255.224.0", "255.255.240.0",
-                "255.255.248.0", "255.255.252.0", "255.255.254.0", "255.255.255.0",
-                "255.255.255.128", "255.255.255.192", "255.255.255.224", "255.255.255.240",
-                "255.255.255.248", "255.255.255.252", "255.255.255.254", "255.255.255.255",
-        };
-
-        for (unsigned char prefixlen = 0; prefixlen <= 32; prefixlen++) {
-                _cleanup_free_ char *r = NULL;
-
-                assert_se(in_addr_prefixlen_to_netmask(AF_INET, &addr, prefixlen) >= 0);
-                assert_se(in_addr_to_string(AF_INET, &addr, &r) >= 0);
-                printf("test_in_addr_prefixlen_to_netmask: %s == %s\n", ipv4_netmasks[prefixlen], r);
-                assert_se(streq(ipv4_netmasks[prefixlen], r));
-        }
-
-        for (unsigned char prefixlen = 0; prefixlen <= 128; prefixlen++) {
-                _cleanup_free_ char *r = NULL;
-
-                assert_se(in_addr_prefixlen_to_netmask(AF_INET6, &addr, prefixlen) >= 0);
-                assert_se(in_addr_to_string(AF_INET6, &addr, &r) >= 0);
-                printf("test_in_addr_prefixlen_to_netmask: %s\n", r);
-        }
-}
-
 DEFINE_TEST_MAIN(LOG_DEBUG);