Yes, you can skip entering your deductions for Schedule A. Many people will not have enough itemized deductions this year to itemize, and will just be getting their new higher standard deduction.
One thing to consider, however, is that some of those deductions could make a difference on a state return even if they do not affect your federal return. Information from your federal return flows to your state return, so it might not be a bad idea to go ahead and enter them anyway.
