Fixed up help text in debug command shell

PiperOrigin-RevId: 708065890
Change-Id: Icf5329d51bd834f6421929d7819316444f83c0db

cheriot/debug_command_shell.cc

diff --git a/cheriot/debug_command_shell.cc b/cheriot/debug_command_shell.cc
index 1576d76..d75b384 100644
--- a/cheriot/debug_command_shell.cc
+++ b/cheriot/debug_command_shell.cc
@@ -195,7 +195,6 @@
   exec    NAME                     - load commands from file 'NAME' and execute
                                      each line as a command. Lines starting with
                                      a '#' are treated as comments.
-  status                           - display current status.
   help                             - display this message.
 
   Special names: