hw/arm: Remove 'n800' and 'n810' machines

Remove the 'n800' and 'n810' machine types, which modelled
Nokia internet tablets. These were deprecated in 9.0 and
so we can remove them for 9.2.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Message-id: 20240903160751.4100218-26-peter.maydell@linaro.org
[PMM: added removal of arm-n800-machine.c post-review]

docs/system/arm/nseries.rst

@@ -1,33 +0,0 @@
-Nokia N800 and N810 tablets (``n800``, ``n810``)
-================================================
-
-Nokia N800 and N810 internet tablets (known also as RX-34 and RX-44 /
-48) emulation supports the following elements:
-
--  Texas Instruments OMAP2420 System-on-chip (ARM1136 core)
-
--  RAM and non-volatile OneNAND Flash memories
-
--  Display connected to EPSON remote framebuffer chip and OMAP on-chip
-   display controller and a LS041y3 MIPI DBI-C controller
-
--  TI TSC2301 (in N800) and TI TSC2005 (in N810) touchscreen
-   controllers driven through SPI bus
-
--  National Semiconductor LM8323-controlled qwerty keyboard driven
-   through |I2C| bus
-
--  Secure Digital card connected to OMAP MMC/SD host
-
--  Three OMAP on-chip UARTs and on-chip STI debugging console
-
--  Mentor Graphics \"Inventra\" dual-role USB controller embedded in a
-   TI TUSB6010 chip - only USB host mode is supported
-
--  TI TMP105 temperature sensor driven through |I2C| bus
-
--  TI TWL92230C power management companion with an RTC on
-   |I2C| bus
-
--  Nokia RETU and TAHVO multi-purpose chips with an RTC, connected
-   through CBUS

docs/system/target-arm.rst

@@ -92,7 +92,6 @@ undocumented; you can get a complete list by running
    arm/emcraft-sf2
    arm/musicpal
    arm/kzm
-   arm/nseries
    arm/nrf
    arm/nuvoton
    arm/imx25-pdk