mbedtls: updated to use default gdma psram alignment

When accessing the PSRAM, the GDMA buffer alignment should be larger or
equal to the data cache line size

components/mbedtls/port/crypto_shared_gdma/esp_crypto_shared_gdma.c

@@ -60,7 +60,6 @@ static esp_err_t crypto_shared_gdma_init(void)
 
     gdma_transfer_ability_t transfer_ability = {
         .sram_trans_align = 1,
-        .psram_trans_align = 16,
     };