minipack: Fix restapi start timeout issue, this issue will cause syst…

…em high CPU usage rate (facebook#95)

Summary:
Base on below commit:
facebookexternal/openbmc.accton@f986be3

1. Remove modbus function which can not get.
Pull Request resolved: facebookexternal/openbmc.accton#95

Test Plan: Test on Minipack:pass

Reviewed By: mikechoifb

fbshipit-source-id: 2f35b23c3

meta-facebook/meta-minipack/recipes-utils/rest-api/files/rest-api-1/common_setup_routes.py

@@ -32,8 +32,7 @@ def setup_common_routes(app):
     app.router.add_get(common_routes[6], chandler.rest_sensors_hdl)
     app.router.add_get(common_routes[7], chandler.rest_gpios_hdl)
     app.router.add_get(common_routes[8], chandler.rest_fcpresent_hdl)
-    app.router.add_get(common_routes[9], chandler.modbus_registers_hdl)
-    app.router.add_get(common_routes[10], chandler.psu_update_hdl)
-    app.router.add_post(common_routes[10], chandler.psu_update_hdl_post)
-    app.router.add_get(common_routes[11], chandler.rest_slotid_hdl)
-    app.router.add_get(common_routes[12], chandler.rest_mTerm_status)
+    app.router.add_get(common_routes[9], chandler.psu_update_hdl)
+    app.router.add_post(common_routes[9], chandler.psu_update_hdl_post)
+    app.router.add_get(common_routes[10], chandler.rest_slotid_hdl)
+    app.router.add_get(common_routes[11], chandler.rest_mTerm_status)