add Party.RemoveRoute method as requested in the community chat

_examples/routing/remove-route/main.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"github.com/kataras/iris/v12"
+)
+
+func main() {
+	app := iris.New()
+	app.Get("/", index)
+	app.Get("/about", about).SetName("about_page")
+	app.RemoveRoute("about_page")
+
+	// http://localhost:8080
+	// http://localhost:8080/about (Not Found)
+	app.Listen(":8080")
+}
+
+func index(ctx iris.Context) {
+	ctx.WriteString("Hello, Gophers!")
+}
+
+func about(ctx iris.Context) {
+	ctx.HTML("<h1>About Page</h1>")
+}