Cleaned up more unneeded functions and types in:

- src/basic/ioprio.h                     - removed
- src/basic/ring.h                       - removed

- src/basic/capability.[hc]              - cleaned
- src/basic/cgroup-util.[hc]             - cleaned
- src/basic/hostname-util.[hc]           - cleaned
- src/basic/path-util.[hc]               - cleaned
- src/basic/socket-util.h                - cleaned
- src/basic/strv.[hc]                    - cleaned
- src/basic/time-util.[hc]               - cleaned
- src/basic/unit-name.[hc]               - cleaned
- src/basic/util.[hc]                    - cleaned
- src/libelogind/sd-bus/bus-introspect.c - cleaned
- src/login/loginctl.c                   - cleaned
- src/login/logind-dbus.c                - cleaned
- src/login/logind.h                     - cleaned
- src/shared/conf-parser.[hc]            - cleaned

1 files changed, 3 insertions, 0 deletions

diff --git a/src/basic/hostname-util.c b/src/basic/hostname-util.c
index a55b4149d..c0048409b 100644
--- a/src/basic/hostname-util.c
+++ b/src/basic/hostname-util.c
@@ -113,6 +113,8 @@ bool hostname_is_valid(const char *s, bool allow_trailing_dot) {
         return true;
 }
 
+/// UNNEEDED by elogind
+#if 0
 char* hostname_cleanup(char *s) {
         char *p, *d;
         bool dot;
@@ -142,6 +144,7 @@ char* hostname_cleanup(char *s) {
 
         return s;
 }
+#endif // 0
 
 bool is_localhost(const char *hostname) {
         assert(hostname);