Remove NCS36510 target

Marcelo Salazar · Arto Kinnunen · commit 76ac0decce18 · 2020-05-07T09:23:18.000+03:00
diff --git a/mbed_lib.json b/mbed_lib.json
@@ -9,9 +9,6 @@
     },
     "macros": ["NS_USE_EXTERNAL_MBED_TLS"],
     "target_overrides": {
-        "NCS36510": {
-            "nanostack.configuration": "lowpan_router"
-        },
         "TB_SENSE_12": {
             "nanostack.configuration": "lowpan_router"
         },
