Add the code below to Custom CSS field on your Pricing Table widget’s Appearance tab:
.eapps-pricing-table-column-2 .eapps-pricing-table-column-price-currency,
.eapps-pricing-table-column-2 .eapps-pricing-table-column-price-fix-postfix{
display: none;
}
You’re welcome to change column-2 part and add the column number you need.