net-misc/ntp: remove unused patch

Signed-off-by: Michael Mair-Keimberger <mm1ke@gentoo.org>

net-misc/ntp/files/ntp-4.2.8-ipc-caps.patch

@@ -1,16 +0,0 @@
-http://bugs.ntp.org/show_bug.cgi?id=2646
-https://bugs.gentoo.org/533966
-
---- a/ntpd/ntpd.c
-+++ a/ntpd/ntpd.c
-@@ -971,8 +971,8 @@ getgroup:
- 			char *captext;
- 			
- 			captext = (0 != interface_interval)
--				      ? "cap_sys_time,cap_net_bind_service=pe"
--				      : "cap_sys_time=pe";
-+				      ? "cap_ipc_lock,cap_sys_time,cap_net_bind_service=pe"
-+				      : "cap_ipc_lock,cap_sys_time=pe";
- 			caps = cap_from_text(captext);
- 			if (!caps) {
- 				msyslog(LOG_ERR,