samples: net: ocpp: replace CONFIG_JSONC with CONFIG_JSON_LIBRARY

Updated prj.conf to use CONFIG_JSON_LIBRARY instead of CONFIG_JSONC.

Signed-off-by: Sanjay Vallimanalan <[email protected]>

Author: SanjayyyV

samples/net/ocpp/prj.conf

@@ -25,7 +25,7 @@ CONFIG_NET_SAMPLE_OCPP_PORT=8180
 CONFIG_MAIN_STACK_SIZE=4096
 CONFIG_HEAP_MEM_POOL_SIZE=15000
 
-CONFIG_JSONC=y
+CONFIG_JSON_LIBRARY=y
 CONFIG_PICOLIBC=y
 CONFIG_NET_ARP=y
 CONFIG_NET_UDP=y