Remove unused config

Author: puddly

src/zigbee_ncp/zigbee_ncp.slcp

@@ -58,8 +58,6 @@ configuration:
     value: 0
   - name: SL_PSA_ITS_SUPPORT_V3_DRIVER
     value: 1
-  - name: EMBER_AF_PLUGIN_PACKET_HANDOFF_ALLOW_ALL_PACKETS
-    value: 1
   # Custom config for the builder
   - name: BUILDER_WRAPPED_STACK_FUNCTIONS
     value: sli_zigbee_am_multicast_member