[nrf toup][nrfconnect] Remove linking workaround

Not needed after recent upmerge.

Signed-off-by: Adrian Gielniewski <adrian.gielniewski@nordicsemi.no>

Author: adigie

.github/workflows/examples-nrfconnect.yaml

@@ -99,8 +99,6 @@ jobs:
             - name: Run unit tests for Zephyr native_posix_64 platform
               if: github.event_name == 'push' || steps.changed_paths.outputs.tests == 'true' || steps.changed_paths.outputs.nrfconnect == 'true'
               run: |
-                  # Temporarily fix link issue
-                  sed -i '151s/<LINK_FLAGS> //' /opt/NordicSemiconductor/nrfconnect/zephyr/cmake/linker/ld/target.cmake
                   scripts/run_in_build_env.sh "./scripts/build/build_examples.py --target nrf-native-posix-64-tests build"
             - name: Uploading Failed Test Logs
               uses: actions/upload-artifact@v4