posix: ld: Don't print memory usage
posix: ld: Don't print memory usage

Don't print memory usage, the results are not meaningful for posix
boards.

Signed-off-by: Sebastian Bøe <edee888afd63e94916688495334700803eba20a0@nordicsemi.no>

Vudentz/zephyr,aceofall/zephyr-iotos,nashif/zephyr,Vudentz/zephyr,explora26/zephyr,ldts/zephyr,explora26/zephyr,ldts/zephyr,aceofall/zephyr-iotos,Vudentz/zephyr,zephyrproject-rtos/zephyr,nashif/zephyr,explora26/zephyr,finikorg/zephyr,finikorg/zephyr,kraj/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,aceofall/zephyr-iotos,nashif/zephyr,Vudentz/zephyr,nashif/zephyr,mbolivar/zephyr,galak/zephyr,ldts/zephyr,zephyriot/zephyr,kraj/zephyr,zephyrproject-rtos/zephyr,GiulianoFranchetto/zephyr,kraj/zephyr,ldts/zephyr,punitvara/zephyr,Vudentz/zephyr,punitvara/zephyr,mbolivar/zephyr,explora26/zephyr,punitvara/zephyr,zephyriot/zephyr,Vudentz/zephyr,galak/zephyr,zephyriot/zephyr,kraj/zephyr,mbolivar/zephyr,punitvara/zephyr,explora26/zephyr,finikorg/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,aceofall/zephyr-iotos,finikorg/zephyr,finikorg/zephyr,kraj/zephyr,galak/zephyr,GiulianoFranchetto/zephyr,punitvara/zephyr,mbolivar/zephyr,GiulianoFranchetto/zephyr,galak/zephyr,mbolivar/zephyr,nashif/zephyr,aceofall/zephyr-iotos,GiulianoFranchetto/zephyr,zephyriot/zephyr,zephyrproject-rtos/zephyr,zephyriot/zephyr,ldts/zephyr