fix(websocket): clean up component dependencies

- Remove unused 'json', 'nvs_flash', 'esp_stubs', dependency from Linux build configuration
- Add cJSON dependency to target example's idf_component.yml

Author: surengab

components/esp_websocket_client/CMakeLists.txt

@@ -11,7 +11,7 @@ endif()
 if(${IDF_TARGET} STREQUAL "linux")
 	idf_component_register(SRCS "esp_websocket_client.c"
                     INCLUDE_DIRS "include"
-                    REQUIRES esp-tls tcp_transport http_parser esp_event nvs_flash esp_stubs json
+                    REQUIRES esp-tls tcp_transport http_parser esp_event
                     PRIV_REQUIRES esp_timer)
 else()
     idf_component_register(SRCS "esp_websocket_client.c"

components/esp_websocket_client/examples/linux/main/CMakeLists.txt

@@ -1,5 +1,5 @@
 idf_component_register(SRCS "websocket_linux.c"
-                    REQUIRES esp_websocket_client protocol_examples_common)
+                    REQUIRES esp_websocket_client protocol_examples_common esp_netif)
 
 if(CONFIG_GCOV_ENABLED)
     target_compile_options(${COMPONENT_LIB} PUBLIC --coverage -fprofile-arcs -ftest-coverage)

components/esp_websocket_client/examples/linux/main/websocket_linux.c

@@ -4,7 +4,6 @@
  * SPDX-License-Identifier: Apache-2.0
  */
 #include <esp_log.h>
-#include "nvs_flash.h"
 #include "protocol_examples_common.h"
 
 #include "esp_websocket_client.h"
@@ -160,7 +159,6 @@ int main(void)
     esp_log_level_set("transport_ws", ESP_LOG_DEBUG);
     esp_log_level_set("trans_tcp", ESP_LOG_DEBUG);
 
-    ESP_ERROR_CHECK(nvs_flash_init());
     ESP_ERROR_CHECK(esp_netif_init());
     ESP_ERROR_CHECK(esp_event_loop_create_default());