ivshmem: shell: Remove redundant commands

Remove commands which are already defined as subcommands for command
ivshmem. Moreover those commands recursively include themselves as
subcommands.

Signed-off-by: Andrei Emeltchenko <andrei.emeltchenko@intel.com>

drivers/virtualization/virt_ivshmem_shell.c

@@ -212,15 +212,3 @@ SHELL_STATIC_SUBCMD_SET_CREATE(sub_ivshmem_cmds,
 
 SHELL_CMD_REGISTER(ivshmem, &sub_ivshmem_cmds,
 		   "IVshmem information", cmd_ivshmem_shmem);
-
-SHELL_CMD_ARG_REGISTER(ivshmem_dump, &sub_ivshmem_cmds,
-		       "Dump shared memory content",
-		       cmd_ivshmem_dump, 3, 0);
-
-SHELL_CMD_ARG_REGISTER(ivshmem_int, &sub_ivshmem_cmds,
-		       "Notify a vector on an ivshmem peer",
-		       cmd_ivshmem_int, 3, 0);
-
-SHELL_CMD_ARG_REGISTER(ivshmem_get_notified, &sub_ivshmem_cmds,
-		       "Get notification on vector",
-		       cmd_ivshmem_get_notified, 2, 0);