Remove cmdSetAssetInfo command

Since the asset information command word (0x00) is no longer used,
this commit deletes the functions related to it.

Change-Id: I9569afeaa3af2711b2ac2853d58dc845b649f7bb
Signed-off-by: George Liu <liuxiwei@ieisystem.com>
diff --git a/src/meson.build b/src/meson.build
index 8120234..3df0ce3 100644
--- a/src/meson.build
+++ b/src/meson.build
@@ -4,7 +4,7 @@
 
 so_version = '0.1.0'
 
-sources = ['asset_info.cpp', 'firmware_version.cpp', 'power.cpp', 'utils.cpp']
+sources = ['firmware_version.cpp', 'power.cpp', 'utils.cpp']
 
 deps = [
     phosphor_dbus_interfaces_dep,