[nrf noup] modules: hostap: Fix duplicate define warning

Build throw macro redefined error as it's already defined by the nRF
security module.

Signed-off-by: Chaitanya Tata <[email protected]>

Author: krish2718

modules/hostap/CMakeLists.txt

@@ -683,8 +683,4 @@ if(CONFIG_SAE_PWE_EARLY_EXIT)
 	"please use it carefully and do not use it production.")
 endif()
 
-zephyr_library_compile_definitions_ifdef(CONFIG_WIFI_NM_WPA_SUPPLICANT_CRYPTO_ALT
-	MBEDTLS_NIST_KW_C
-)
-
 endif()