ble: Don't build channel sounding ras initiator for nRF54L05

-Removing nRF54L05 because it is overflowing on RAM size (~500 bytes).
 This commit can be reverted when/if the sample is optimized a bit
 for RAM size.

Signed-off-by: Frank Audun Kvamtrø <frank.kvamtro@nordicsemi.no>

Author: frkv

samples/bluetooth/channel_sounding_ras_initiator/sample.yaml

@@ -7,11 +7,9 @@ tests:
     sysbuild: true
     build_only: true
     integration_platforms:
-      - nrf54l15dk/nrf54l05/cpuapp
       - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
     platform_allow:
-      - nrf54l15dk/nrf54l05/cpuapp
       - nrf54l15dk/nrf54l10/cpuapp
       - nrf54l15dk/nrf54l15/cpuapp
     tags: