rm Circle CI

.github/workflows/ci.yml

@@ -26,7 +26,7 @@ jobs:
           java-version: ${{ matrix.java }}
 
       - name: Check formatting
-        run: sbt scalafmtCheckAll
+        run: sbt ";scalafix --check; scalafmtCheck; scalafmtSbtCheck; scapegoat;"
 
       - name: Build project
         run: sbt +test

README.md

@@ -1,6 +1,6 @@
 # stac4s
 
-[![CircleCI](https://circleci.com/gh/azavea/stac4s/tree/master.svg?style=svg)](https://circleci.com/gh/azavea/stac4s/tree/master) [![Maven Central](https://img.shields.io/maven-central/v/com.azavea.stac4s/client_2.12?color=blue)](http://search.maven.org/#search%7Cga%7C1%7com.azavea.stac4s) [![Snapshots](https://img.shields.io/nexus/s/https/oss.sonatype.org/com.azavea.stac4s/client_2.12.svg)](https://oss.sonatype.org/content/repositories/snapshots/com/azavea/stac4s/) 
+[![CI](https://github.com/stac-utils/stac4s/workflows/CI/badge.svg)](https://github.com/stac-utils/stac4s/actions) [![Maven Central](https://img.shields.io/maven-central/v/com.azavea.stac4s/client_2.12?color=blue)](http://search.maven.org/#search%7Cga%7C1%7com.azavea.stac4s) [![Snapshots](https://img.shields.io/nexus/s/https/oss.sonatype.org/com.azavea.stac4s/client_2.12.svg)](https://oss.sonatype.org/content/repositories/snapshots/com/azavea/stac4s/) 
 
 [![Join the chat at https://gitter.im/azavea/stac4s](https://badges.gitter.im/azavea/stac4s.svg)](https://gitter.im/azavea/stac4s?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge) [![Scala Steward badge](https://img.shields.io/badge/Scala_Steward-helping-blue.svg?style=flat&logo=data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAA4AAAAQCAMAAAARSr4IAAAAVFBMVEUAAACHjojlOy5NWlrKzcYRKjGFjIbp293YycuLa3pYY2LSqql4f3pCUFTgSjNodYRmcXUsPD/NTTbjRS+2jomhgnzNc223cGvZS0HaSD0XLjbaSjElhIr+AAAAAXRSTlMAQObYZgAAAHlJREFUCNdNyosOwyAIhWHAQS1Vt7a77/3fcxxdmv0xwmckutAR1nkm4ggbyEcg/wWmlGLDAA3oL50xi6fk5ffZ3E2E3QfZDCcCN2YtbEWZt+Drc6u6rlqv7Uk0LdKqqr5rk2UCRXOk0vmQKGfc94nOJyQjouF9H/wCc9gECEYfONoAAAAASUVORK5CYII=)](https://scala-steward.org) [![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](https://opensource.org/licenses/Apache-2.0)