gpadvs-remove-button-for-drop-downs.md: Added new combo snippet.

gp-advanced-select/gpadvs-remove-button-for-drop-downs.md

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+# Gravity Perks // Advanced Select // Show Remove Button for Drop Downs
+https://gravitywiz.com/documentation/gravity-forms-advanced-select/
+
+Advanced Select will automatically display a remove button for items in a Multi Select field. Use this snippet to activate a remove button for Drop Down fields too.
+
+## Instructions
+
+1. Install this snippet with our free [Custom JavaScript](https://gravitywiz.com/gravity-forms-custom-javascript/) plugin.
+
+    ```js
+    gform.addFilter( 'gpadvs_settings', function( settings, gpadvs ) {	
+        if ( gpadvs.formId == GFFORMID ) {
+            settings.plugins.remove_button = {
+                title:'Remove this item',
+            }
+        }
+        return settings;
+    } );
+    ```
+
+2. Add the following CSS via a `<style>` in an HTML field or wherever you include custom CSS.
+
+    ```css
+    .gfield--type-select .ts-wrapper.plugin-remove_button .item .remove {
+        position: absolute;
+        border: 0 !important;
+        right: 2rem;
+    }
+
+    .gfield--type-select .ts-wrapper.plugin-remove_button .item .remove:hover {
+        background: none;
+    }
+    ```