Remove references to IOT/SPI folder

Author: Erol444

docs/source/components/nodes/imu.rst

@@ -85,8 +85,6 @@ IMU devices
 List of devices that have an IMU sensor on-board:
 
 * `OAK-D <https://docs.luxonis.com/projects/hardware/en/latest/pages/BW1098OAK.html>`__
-* `OAK-D-IoT-40 <https://docs.luxonis.com/projects/hardware/en/latest/pages/DM1092.html>`__
-* `OAK-D-IoT-75 <https://docs.luxonis.com/projects/hardware/en/latest/pages/DM1098OBC.html>`__
 * `OAK-D-PoE <https://docs.luxonis.com/projects/hardware/en/latest/pages/SJ2088POE.html>`__
 * `OAK-D CM4 PoE <https://docs.luxonis.com/projects/hardware/en/latest/pages/SJ2088POE.html>`__
 * `OAK-FFC-3P <https://docs.luxonis.com/projects/hardware/en/latest/pages/DM1090.html>`__

docs/source/components/nodes/spi_in.rst

@@ -1,8 +1,8 @@
 SPIIn
 =====
 
-SPIIn node is used for **receiving data** that was sent **from a MCU** (via SPI). `OAK-IOT <https://docs.luxonis.com/projects/hardware/en/latest/#iot-designs>`__ devices
-have an on-board ESP32 that is connected to the VPU (MyriadX) via SPI. You can find demos `here <https://github.com/luxonis/depthai-experiments/tree/master/gen2-spi>`__.
+SPIIn node is used for **receiving data** that was sent **from a MCU** (via SPI).
+You can find demos `here <https://github.com/luxonis/esp32-spi-message-demo>`__.
 
 This allows you for example to control eg. :ref:`ColorCamera` or :ref:`ImageManip` from the MCU or send a :ref:`Buffer` of data from the MCU to a :ref:`Script` node.
 
@@ -65,8 +65,7 @@ Usage
 Examples of functionality
 #########################
 
-- `SPI demos (host side) <https://github.com/luxonis/depthai-experiments/tree/master/gen2-spi>`__
-- `ESP32 code demos <https://github.com/luxonis/esp32-spi-message-demo>`__
+- `SPI code demos with ESP32 <https://github.com/luxonis/esp32-spi-message-demo>`__
 
 Reference
 #########

docs/source/components/nodes/spi_out.rst

@@ -1,8 +1,8 @@
 SPIOut
 ======
 
-SPIOut node is used for **sending data to a MCU** (via SPI). `OAK-IOT <https://docs.luxonis.com/projects/hardware/en/latest/#iot-designs>`__ devices
-have an on-board ESP32 that is connected to the VPU (MyriadX) via SPI. You can find demos `here <https://github.com/luxonis/depthai-experiments/tree/master/gen2-spi>`__.
+SPIOut node is used for **sending data to a MCU** (via SPI).
+You can find demos `here <https://github.com/luxonis/esp32-spi-message-demo>`__.
 
 :ref:`SPIIn` is used for receiving data from the MCU (via SPI).
 
@@ -63,8 +63,7 @@ Usage
 Examples of functionality
 #########################
 
-- `SPI demos (host side) <https://github.com/luxonis/depthai-experiments/tree/master/gen2-spi>`__
-- `ESP32 code demos <https://github.com/luxonis/esp32-spi-message-demo>`__
+- `SPI code demos with ESP32 <https://github.com/luxonis/esp32-spi-message-demo>`__
 
 Reference
 #########

docs/source/tutorials/standalone_mode.rst

@@ -5,8 +5,8 @@ Standalone mode
 be achieved by first :ref:`flashing the bootloader <Flash bootloader>` and then :ref:`flashing the pipeline <Flash the pipeline>`
 and assets (NN models) to the OAK's flash memory.
 
-Standalone mode is **only possible on OAKs that have on-board flash** memory, which are currently `OAK IOT <https://docs.luxonis.com/projects/hardware/en/latest/#iot-designs>`__
-and `OAK POE <https://docs.luxonis.com/projects/hardware/en/latest/#poe-designs>`__ camera models.
+Standalone mode is **only possible on OAKs that have on-board flash** memory, which are currently
+`OAK POE <https://docs.luxonis.com/projects/hardware/en/latest/#poe-designs>`__ and OAK IOT camera models.
 
 Converting a demo to standalone mode
 ####################################