Add `store-alerts` feature flag

plugins/woocommerce-admin/client/layout/index.js

@@ -67,7 +67,7 @@ class Layout extends Component {
 				<TransientNotices />
 
 				<div className="woocommerce-layout__primary" id="woocommerce-layout__primary">
-					<StoreAlerts />
+					{ window.wcAdminFeatures[ 'store-alerts' ] && <StoreAlerts /> }
 
 					<Notices />
 					{ ! isEmbeded && (

plugins/woocommerce-admin/config/core.json

@@ -3,6 +3,7 @@
 		"activity-panels": false,
 		"analytics": false,
 		"dashboard": false,
-		"devdocs": false
+		"devdocs": false,
+		"store-alerts": false
 	}
-}
+}

plugins/woocommerce-admin/config/development.json

@@ -3,6 +3,7 @@
 		"activity-panels": true,
 		"analytics": true,
 		"dashboard": true,
-		"devdocs": true
+		"devdocs": true,
+		"store-alerts": true
 	}
-}
+}

plugins/woocommerce-admin/config/plugin.json

@@ -3,6 +3,7 @@
 		"activity-panels": false,
 		"analytics": true,
 		"dashboard": true,
-		"devdocs": false
+		"devdocs": false,
+		"store-alerts": false
 	}
-}
+}