Remove WooCommerce SKU field
You can hide the Woocommerce SKU field by adding this line of code into functions.php file in the child theme:
add_filter( 'wc_product_sku_enabled', '__return_false' );
Or you can hide it via custom css by adding the following code snippet into Theme options > Layout > Advanced > Custom css :
.sku_wrapper { display: none !important; }
Hide the Social share buttons field
You can hide the Social share buttons field by adding the following code snippet into Theme options > Layout > Advanced > Custom css :
.product .pix_post_social { display: none !important; }
Hide the entire meta area (including the tags area)
If you want to hide the entire meta area (including the tags area), you can add the following code snippet into Theme options > Layout > Advanced > Custom css:
.product_meta { display: none !important; }