remove travis badges, add GH Actions badges.

remove readme for play-json

Author: dsemenov

README.md

@@ -1,6 +1,6 @@
 # Scanamo Json
-
-[![Build Status](https://travis-ci.org/laserdisc-io/scanamo-json.svg?branch=master)](https://travis-ci.org/laserdisc-io/scanamo-json)
+[![Build](https://github.com/laserdisc-io/scanamo-json/actions/workflows/build.yml/badge.svg)](https://github.com/laserdisc-io/scanamo-json/actions/workflows/build.yml)
+[![Release](https://github.com/laserdisc-io/scanamo-json/actions/workflows/release.yml/badge.svg)](https://github.com/laserdisc-io/scanamo-json/actions/workflows/release.yml)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/io.laserdisc/scanamo-circe_2.12/badge.svg)](https://maven-badges.herokuapp.com/maven-central/io.laserdisc/scanamo-json_2.12)
 
 Scanamo Json provides `DynamoFormat`s for popular Scala Json libraries. The format will serialize directly to DynamoDB `AttributeValue`s, allowing full use of DynamoDB while allowing arbitrary Json objects to be stored or reusing existing formats.
@@ -22,19 +22,3 @@ Finally, the format can be imported with:
 ```
 
 This provides a `DynamoFormat[T]` for all `T` with both an `Encoder` and `Decoder`.
-
-### Play Json
-
-First, add the dependency:
-
-```scala
-    libraryDependencies += "io.laserdisc" %% "scanamo-play-json" % "1.0.5"
-```
-
-Finally, the format can be imported with:
-
-```scala
-    import io.github.howardjohn.scanamo.PlayJsonDynamoFormat._
-```
-
-This provides a `DynamoFormat[T]` for all `T` with a (play-json) `Format`.