doc: release-notes: Remove empty sections

This commit removes empty sections from the Zephyr v3.3.0 release
notes.

Signed-off-by: Stephanos Ioannidis <[email protected]>

Author: stephanosio

doc/releases/release-notes-3.3.rst

@@ -330,8 +330,6 @@ Kernel
 Architectures
 *************
 
-* ARM
-
 * ARM
 
   * More precise 'reason' codes are now returned in the fault handler.
@@ -371,8 +369,6 @@ Architectures
   * Added a workaround for ``MTVAL`` not updating properly on QEMU-based
     platforms.
 
-* Xtensa
-
 Bluetooth
 *********
 
@@ -467,8 +463,6 @@ Boards & SoC Support
   * GigaDevice GD32A50X
   * NXP S32Z2/E2
 
-* Removed support for these SoC series:
-
 * Made these changes in other SoC series:
 
   * STM32F1: USB Prescaler configuration is now expected to be done using
@@ -482,8 +476,6 @@ Boards & SoC Support
   * STM32U5: Now supports :ref:`crypto_api` through AES device.
   * STM32F7/L4: Now supports configuring MCO.
 
-* Changes for ARC boards:
-
 * Added support for these ARM boards:
 
   * Adafruit ItsyBitsy nRF52840 Express
@@ -505,8 +497,6 @@ Boards & SoC Support
   * Khadas Edge-V board
   * QEMU Virt KVM
 
-* Removed support for these ARM boards:
-
 * Added support for these X86 boards:
 
   * Intel Raptor Lake CRB
@@ -515,10 +505,6 @@ Boards & SoC Support
 
   * Added LCD support for ``longan_nano`` board.
 
-* Added support for these Xtensa boards:
-
-* Removed support for these Xtensa boards:
-
 * Made these changes in ARM boards:
 
   * sam4s_xplained: Enabled PWM
@@ -642,8 +628,6 @@ Drivers and Sensors
   * Added Timer based driver for GigaDevice GD32 SoCs.
   * Added NXP S32 System Timer Module driver.
 
-* Crypto
-
 * DAC
 
   * Added support for GigaDevice GD32 SoCs.
@@ -662,8 +646,6 @@ Drivers and Sensors
   * Flash disks can be marked as read only by setting the ``read-only`` property
     on the linked flash device partition.
 
-* Display
-
 * DMA
 
   * Adjust incorrect dma1 clock source for GD32 gd32vf103 SoC.
@@ -697,10 +679,6 @@ Drivers and Sensors
 
   * Added fake EEPROM driver for testing purposes.
 
-* Entropy
-
-* ESPI
-
 * Ethernet
 
   * STM32: Default Mac address configuration is now uid based. Optionally, user can
@@ -773,8 +751,6 @@ Drivers and Sensors
     :kconfig:option:`CONFIG_PM_DEVICE`, :kconfig:option:`CONFIG_PM_DEVICE_RUNTIME`.
   * STM32: Domain clock can now be configured using device tree
 
-* I2S
-
 * I3C
 
   * Added a new target device API :c:func:`i3c_target_tx_write` to
@@ -785,8 +761,6 @@ Drivers and Sensors
 
   * Added a new driver to support Cadence I3C controller.
 
-* IEEE 802.15.4
-
 * Interrupt Controller
 
   * STM32: Driver configuration and initialization is now based on device tree
@@ -797,16 +771,10 @@ Drivers and Sensors
   * ipm_stm32_ipcc: fix an issue where interrupt mask is not cleaned correctly,
     resulting in infinite TXF interrupts.
 
-* KSCAN
-
-* LED
-
 * MBOX
 
   * Added NXP S32 Message Receive Unit (MRU) driver.
 
-* MEMC
-
 * PCIE
 
   * Support for accessing I/O BARs, which was previously removed, is back.
@@ -822,8 +790,6 @@ Drivers and Sensors
     * :c:func:`pcie_scan` also introduces a callback mechanism for when
       a new device has been discovered.
 
-* PECI
-
 * Pin control
 
   * Common pin control properties are now defined at root level in a single
@@ -844,8 +810,6 @@ Drivers and Sensors
   * Atmel SAM: Added support to select pin polarity
   * Added driver for NXP PCA9685 LED controller
 
-* Power domain
-
 * Regulators
 
   * Completed an API overhaul so that devices like PMICs can be supported. The
@@ -1006,17 +970,13 @@ Drivers and Sensors
   * Added new experimental USB host controller (UDC) API and implementation
     for MAX3421E and virtual controllers.
 
-* W1
-
 * Watchdog
 
   * Added driver for nPM6001 PMIC Watchdog.
   * Added free watchdog driver for GigaDevice GD32 SoCs.
   * Added window watchdog driver for GigaDevice GD32 SoCs.
   * Added NXP S32 Software Watchdog Timer driver.
 
-* WiFi
-
 Networking
 **********
 
@@ -2560,9 +2520,6 @@ HALs
   * Added ADC and DAC driver support
   * Added GDMA driver support
 
-MCUboot
-*******
-
 Storage
 *******
 
@@ -2599,9 +2556,6 @@ Documentation
 * Upgraded to Doxygen 1.9.6.
 * It is now possible to link to Kconfig search results.
 
-Tests and Samples
-*****************
-
 Issue Related Items
 *******************