Update vendor (#1446)

* Update vendor

* Use upstream emoji lib again

vendor/github.com/kyokomi/emoji/v2/README.md

@@ -0,0 +1,53 @@
+# Emoji
+Emoji is a simple golang package.
+
+[![wercker status](https://app.wercker.com/status/7bef60de2c6d3e0e6c13d56b2393c5d8/s/master "wercker status")](https://app.wercker.com/project/byKey/7bef60de2c6d3e0e6c13d56b2393c5d8)
+[![Coverage Status](https://coveralls.io/repos/kyokomi/emoji/badge.png?branch=master)](https://coveralls.io/r/kyokomi/emoji?branch=master)
+[![GoDoc](https://pkg.go.dev/badge/github.com/kyokomi/emoji.svg)](https://pkg.go.dev/github.com/kyokomi/emoji/v2)
+
+Get it:
+
+```
+go get github.com/kyokomi/emoji/v2
+```
+
+Import it:
+
+```
+import (
+	"github.com/kyokomi/emoji/v2"
+)
+```
+
+## Usage
+
+```go
+package main
+
+import (
+	"fmt"
+
+	"github.com/kyokomi/emoji/v2"
+)
+
+func main() {
+	fmt.Println("Hello World Emoji!")
+
+	emoji.Println(":beer: Beer!!!")
+
+	pizzaMessage := emoji.Sprint("I like a :pizza: and :sushi:!!")
+	fmt.Println(pizzaMessage)
+}
+```
+
+## Demo
+
+![demo](screen/image.png)
+
+## Reference
+
+- [unicode Emoji Charts](http://www.unicode.org/emoji/charts/emoji-list.html)
+
+## License
+
+[MIT](https://github.com/kyokomi/emoji/blob/master/LICENSE)