move aconfigd platform init service from init.rc into aconfigd.rc

Bug: 378079539
Test: m
Change-Id: I10c306468bf3efe3b5186851cb09b576b143512a
diff --git a/rootdir/init.rc b/rootdir/init.rc
index 617e60a..6bff34a 100644
--- a/rootdir/init.rc
+++ b/rootdir/init.rc
@@ -608,17 +608,6 @@
 
     mkdir /metadata/staged-install 0770 root system
 
-    mkdir /metadata/aconfig 0775 root system
-    mkdir /metadata/aconfig/flags 0770 root system
-    mkdir /metadata/aconfig/maps 0775 root system
-    mkdir /metadata/aconfig/boot 0775 root system
-
-    mkdir /metadata/aconfig_test_missions 0775 root system
-
-    # See flag enable_system_aconfigd_rust, which toggles these processes.
-    exec_start system_aconfigd_platform_init
-    exec_start aconfigd-platform-init
-
 on late-fs
     # Ensure that tracefs has the correct permissions.
     # This does not work correctly if it is called in post-fs.