Don't disable flash DIO operation before flashing - it works fine with DIO

httpd/httpd.c

@@ -521,7 +521,6 @@ void handle_post(void)
 		dbg_string("Have content octets\n");
 		p += 4; // Skip \r\n\r\n sequence at end of preamble of part
 
-		flash_init(0); // Re-initialize flash for non-DIO operation, otherwise flashing fails
 		set_sys_led_state(SYS_LED_FAST);
 
 		crc_value = 0;