unit: Drop unused variables

src/core/unit.c: In function 'unit_coldplug':
src/core/unit.c:2884:18: warning: unused variable 'i' [-Wunused-variable]
         Iterator i;
                  ^
src/core/unit.c:2883:15: warning: unused variable 'other' [-Wunused-variable]
         Unit *other;
               ^

1 files changed, 0 insertions, 2 deletions

diff --git a/src/core/unit.c b/src/core/unit.c
index b7ab084de9..7ef8dbbf48 100644
--- a/src/core/unit.c
+++ b/src/core/unit.c
@@ -2880,8 +2880,6 @@ int unit_add_node_link(Unit *u, const char *what, bool wants) {
 }
 
 int unit_coldplug(Unit *u) {
-        Unit *other;
-        Iterator i;
         int r;
 
         assert(u);