meson: drop redundant source files in executable()

meson.build

@@ -1965,7 +1965,6 @@ if conf.get('HAVE_BLKID') == 1
         executable(
                 'systemd-gpt-auto-generator',
                 'src/gpt-auto-generator/gpt-auto-generator.c',
-                'src/shared/blkid-util.h',
                 include_directories : includes,
                 link_with : [libshared],
                 dependencies : libblkid,
@@ -3102,7 +3101,6 @@ if conf.get('ENABLE_HWDB') == 1
         public_programs += executable(
                 'systemd-hwdb',
                 'src/hwdb/hwdb.c',
-                'src/libsystemd/sd-hwdb/hwdb-internal.h',
                 include_directories : includes,
                 link_with : udev_link_with,
                 install_rpath : udev_rpath,
@@ -3258,7 +3256,7 @@ endif
 
 executable(
         'systemd-sulogin-shell',
-        ['src/sulogin-shell/sulogin-shell.c'],
+        'src/sulogin-shell/sulogin-shell.c',
         include_directories : includes,
         link_with : [libshared],
         install_rpath : rootlibexecdir,