lib: nrf_modem_lib: nrf91_sockets: remove deprecated RAI

Remove deprecated RAI socket options.

Signed-off-by: Mirko Covizzi <[email protected]>

Author: MirkoCovizzi

doc/nrf/releases_and_maturity/releases/release-notes-changelog.rst

@@ -575,6 +575,10 @@ Modem libraries
 
   * Fixed a potential issue with scanf in the :c:func:`modem_info_get_current_band` function, which could lead to memory corruption.
 
+* :ref:`nrf_modem_lib_readme` library:
+
+  * Removed support for deprecated RAI socket options ``SO_RAI_LAST``, ``SO_RAI_NO_DATA``, ``SO_RAI_ONE_RESP``, ``SO_RAI_ONGOING``, and ``SO_RAI_WAIT_MORE``.
+
 Multiprotocol Service Layer libraries
 -------------------------------------
 

lib/nrf_modem_lib/nrf9x_sockets.c

@@ -216,23 +216,6 @@ static int z_to_nrf_optname(int z_in_level, int z_in_optname,
 		case SO_REUSEADDR:
 			*nrf_out_optname = NRF_SO_REUSEADDR;
 			break;
-
-		/* SO_RAI_* and NRF_SO_RAI_* are deprecated */
-		case SO_RAI_LAST:
-			*nrf_out_optname = NRF_SO_RAI_LAST;
-			break;
-		case SO_RAI_NO_DATA:
-			*nrf_out_optname = NRF_SO_RAI_NO_DATA;
-			break;
-		case SO_RAI_ONE_RESP:
-			*nrf_out_optname = NRF_SO_RAI_ONE_RESP;
-			break;
-		case SO_RAI_ONGOING:
-			*nrf_out_optname = NRF_SO_RAI_ONGOING;
-			break;
-		case SO_RAI_WAIT_MORE:
-			*nrf_out_optname = NRF_SO_RAI_WAIT_MORE;
-			break;
 		case SO_RAI:
 			*nrf_out_optname = NRF_SO_RAI;
 			break;