systemd: update signature (#125)

fix mis-match conf file signature introduced in commit
"systemd: disable tcp timestamps. (#110)"

Signed-off-by: Lee Chee Yang <chee.yang.lee@intel.com>

Author: cheeyanglee

SPECS/systemd/systemd.signatures.json

@@ -11,7 +11,7 @@
   "99-yama-ptrace.conf": "5a4876d61267e5748b4765923a8d169136fc5c161d7f363250dc24849c7cfe80",
   "99-net-core-bpf-jit-harden.conf": "5eb31e2e240cab5f57217be2e9460af2cb989d9e3fc4c7c7b50cbba536d8e7f2",
   "99-kernel.conf": "0ddcedb57a5ec3be92ffd6ea88b2fd4e1ab16e8fee0fda58727757c77ad688cb",
-  "99-tcp-timestamps.conf": "698d35fe8117ffd8afb47a25aae9cc0cc7b3424c837c7eec27f77a9dea009972",
+  "99-tcp-timestamps.conf": "24c4dc723691ab259f805828ec9f5f6320ba54ff2be6c5b1d0d9fec972d705b3",
   "macros.sysusers": "b7c3941912208657b68a5890b8e320d626a6bc17290a223b46071e251b240160",
   "split-files.py": "ff2ace09f116028299f75ab1f81ca467a6dc4e7ad38c27c22d2e8dd1229ad0dd",
   "sysctl.conf.README": "51d16ee2e7eef12dd42e924af6b835861e8b79d11921ba0418d7d0aec7a2a93b",