Clearing a duplication

Author: iriark01

docs.json

@@ -1021,15 +1021,6 @@
                 "sources": [{
                         "url": "https://github.com/ARMmbed/evaluation-to-production/blob/5.11/FE2P/stage_2/1_hardware.md"
                     },
-                    {
-                        "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/device-management.md"
-                    },
-                    {
-                        "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/device-management-config.md"
-                    },
-                    {
-                        "url": "https://github.com/ARMmbed/mbed-os-5-docs/blob/development/docs/device-management-test.md"
-                    },
                     {
                         "url": "https://github.com/ARMmbed/evaluation-to-production/blob/5.11/FE2P/stage_2/3_connectivity.md"
                     },