nrf_security: doc: Remove reference to builtin Mbed TLS fall-back

-We now have functional support for all algorithm types using the
 Oberon PSA core and supported PSA Crypto drivers, so it is no longer
 necessary to point to builtin Mbed TLS as a fall-back.

ref: NCSDK-19412

Signed-off-by: Frank Audun Kvamtrø <[email protected]>

Author: frkv

nrf_security/doc/driver_config.rst

@@ -30,8 +30,6 @@ If multiple drivers are enabled, the first ordered item in this table takes prec
 
 Enabling or disabling PSA driver specific configurations controls the support for a given algorithm, per driver.
 
-If a specific cryptographic feature is not supported by a PSA driver but the algorithm is configured to be used, then :ref:`nrf_security_drivers_builtin` will be enabled to ensure the feature is available.
-
 
 AES cipher configurations
 *************************
@@ -81,7 +79,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 +----------------+---------------------------------------------------------------------+----------------------------------------------------------------------+
 
 .. note::
-   * If an AES cipher mode is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.
    * The :ref:`nrf_security_drivers_cc3xx` is limited to AES key sizes of 128 bits on devices with Arm CryptoCell cc310.
 
 
@@ -116,9 +113,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 | TLS 1.2 PSK to MS | Not supported            | :kconfig:option:`CONFIG_PSA_CRYPTO_DRIVER_ALG_TLS12_PSK_TO_MS_OBERON` |
 +-------------------+--------------------------+-----------------------------------------------------------------------+
 
-.. note::
-   * If a KDF algorithm is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.
-
 
 MAC configurations
 ******************
@@ -149,7 +143,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 +----------------+-----------------------------------------------------------+------------------------------------------------------------+
 
 .. note::
-   * If a MAC algorithm is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.
    * The :ref:`nrf_security_drivers_cc3xx` is limited to AES CMAC key sizes of 128 bits on devices with Arm CryptoCell cc310.
    * The :ref:`nrf_security_drivers_cc3xx` is limited to HMAC using SHA-1, SHA-224, and SHA-256 on devices with Arm CryptoCell.
 
@@ -186,7 +179,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 +----------------+------------------------------------------------------------------------+-------------------------------------------------------------------------+
 
 .. note::
-   * If an AEAD algorithm is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.
    * The :ref:`nrf_security_drivers_cc3xx` is limited to AES key sizes of 128 bits on devices with Arm CryptoCell cc310.
    * The :ref:`nrf_security_drivers_cc3xx` does not provide hardware support for AES GCM on devices with Arm CryptoCell cc310.
 
@@ -225,7 +217,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 +-----------------------+--------------------------------------------------------------------------+---------------------------------------------------------------------------+
 
 .. note::
-   * If an ECC algorithm is enabled and no PSA driver enables or supports it, then :ref:`nrf_security_drivers_builtin` support is enabled and used.
    * The :ref:`nrf_security_drivers_oberon` is currently limited to curve types secp224r1, secp256r1, and secp384r1 for ECDH and ECDSA.
    * The :ref:`nrf_security_drivers_oberon` is currently limited to X25519 (using Curve25519) and Ed25519 for EdDSA.
 
@@ -370,7 +361,6 @@ You can use the following Kconfig options for fine-grained control over which dr
 +-----------------------+--------------------------------------------------------------------------+--------------------------------------------------------------------------+
 
 .. note::
-   * If an RSA algorithm is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.
    * :ref:`nrf_security_drivers_cc3xx` is limited to key sizes less than or equal to 2048 bits.
    * :ref:`nrf_security_drivers_oberon` does not support RSA key pair generation.
 
@@ -413,6 +403,3 @@ You can use the following PSA driver-specific configurations for fine-grained co
 +-----------------------+---------------------------------------------------------------+---------------------------------------------------------------+
 | SHA-512               |  Not supported                                                | :kconfig:option:`CONFIG_PSA_CRYPTO_DRIVER_ALG_SHA_512_OBERON` |
 +-----------------------+---------------------------------------------------------------+---------------------------------------------------------------+
-
-.. note::
-   If Secure Hash algorithm is enabled and no PSA driver enables or supports it, :ref:`nrf_security_drivers_builtin` support is enabled and used.