Hello there,
Thank you for asking. Let's get the information you need.
No, you cannot install the refrigerator without the ice maker; however, you can turn off the ice maker if you do not want to use it.
Please refer to this link to your user manual for more details. Turn to page 33, "Ice Maker."
Manual
https://downloadcenter.samsung.com/content/UM/202102/20210216063222924/DA68-03958P-00_RS5300T-ND__EN-MES-CFR__USA.pdf
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Have a great day.
^Camille