time-wait-sync: move time-wait-sync.c -> src/timesync/wait-sync.c

As wait-online is located under src/network.

.github/labeler.yml

@@ -36,4 +36,3 @@ timedate:
   - src/timedate/*
 timesync:
   - src/timesync/*
-  - src/time-wait-sync/*

meson.build

@@ -1619,7 +1619,6 @@ includes = include_directories('src/basic',
                                'src/shared',
                                'src/shutdown',
                                'src/systemd',
-                               'src/time-wait-sync',
                                'src/timesync',
                                'src/udev',
                                'src/xdg-autostart-generator',
@@ -2633,7 +2632,7 @@ if conf.get('ENABLE_TIMESYNCD') == 1
 
         executable(
                 'systemd-time-wait-sync',
-                'src/time-wait-sync/time-wait-sync.c',
+                'src/timesync/wait-sync.c',
                 include_directories : includes,
                 link_with : [timesyncd_link_with],
                 install_rpath : rootlibexecdir,