1) To remove the headings from the tabs from the mobile menu you need to add the following Custom CSS in the Custom CSS for Desktop area under Theme Settings >> Custom CSS.
.mobile-nav-tabs {
display: none;
}
Note: If you remove both the headings then you will not be able to visit the categories menu on mobile.
2) To Remove search from the mobile menu you need to Go to WoodMart >> Header Builder >> Edit Header >> Mobile Header on the right top.
3) To Remove the WishList and my account from the mobile menu you need to add the following Custom CSS in the Custom CSS for Mobile area under Theme Settings >> Custom CSS.
body .site-mobile-menu .menu-item-my-account,
.menu-item-wishlist{
display:none;
}