Remove chdir from init.

Change-Id: Ib2880c6cb18db613deac04ee3b06b9719f5248b9
diff --git a/init/builtins.cpp b/init/builtins.cpp
index 5d1ad29..543f89b 100644
--- a/init/builtins.cpp
+++ b/init/builtins.cpp
@@ -104,12 +104,6 @@
     }
 }
 
-int do_chdir(int nargs, char **args)
-{
-    chdir(args[1]);
-    return 0;
-}
-
 int do_chroot(int nargs, char **args)
 {
     chroot(args[1]);
diff --git a/init/init_parser.cpp b/init/init_parser.cpp
index 7f8e302..5ef54c8 100644
--- a/init/init_parser.cpp
+++ b/init/init_parser.cpp
@@ -121,7 +121,6 @@
     case 'c':
         if (!strcmp(s, "opy")) return K_copy;
         if (!strcmp(s, "apability")) return K_capability;
-        if (!strcmp(s, "hdir")) return K_chdir;
         if (!strcmp(s, "hroot")) return K_chroot;
         if (!strcmp(s, "lass")) return K_class;
         if (!strcmp(s, "lass_start")) return K_class_start;
diff --git a/init/keywords.h b/init/keywords.h
index 0b37e27..4af8c9e 100644
--- a/init/keywords.h
+++ b/init/keywords.h
@@ -1,7 +1,6 @@
 #ifndef KEYWORD
 int do_bootchart_init(int nargs, char **args);
 int do_chroot(int nargs, char **args);
-int do_chdir(int nargs, char **args);
 int do_class_start(int nargs, char **args);
 int do_class_stop(int nargs, char **args);
 int do_class_reset(int nargs, char **args);
@@ -46,7 +45,6 @@
     K_UNKNOWN,
 #endif
     KEYWORD(capability,  OPTION,  0, 0)
-    KEYWORD(chdir,       COMMAND, 1, do_chdir)
     KEYWORD(chroot,      COMMAND, 1, do_chroot)
     KEYWORD(class,       OPTION,  0, 0)
     KEYWORD(class_start, COMMAND, 1, do_class_start)
diff --git a/init/readme.txt b/init/readme.txt
index 368eba1..0a85a95 100644
--- a/init/readme.txt
+++ b/init/readme.txt
@@ -164,9 +164,6 @@
 hostname <name>
    Set the host name.
 
-chdir <directory>
-   Change working directory.
-
 chmod <octal-mode> <path>
    Change file access permissions.