freertos: remove FREERTOS_ASSERT option

Freertos asserts are now configured the same way as all other asserts in IDF,
i.e. by configuring COMPILER_OPTIMIZATION_ASSERTION_LEVEL.


* Original commit: espressif/esp-idf@7255497

Author: ESP-Marius

components/mdns/test_afl_fuzz_host/sdkconfig.h

@@ -180,7 +180,6 @@
 #define CONFIG_FREERTOS_CHECK_STACKOVERFLOW_CANARY 1
 #define CONFIG_FREERTOS_INTERRUPT_BACKTRACE 1
 #define CONFIG_FREERTOS_THREAD_LOCAL_STORAGE_POINTERS 1
-#define CONFIG_FREERTOS_ASSERT_FAIL_ABORT 1
 #define CONFIG_FREERTOS_IDLE_TASK_STACKSIZE 1536
 #define CONFIG_FREERTOS_ISR_STACKSIZE 1536
 #define CONFIG_FREERTOS_MAX_TASK_NAME_LEN 16