fix(go): Ran go mod tidy (awslabs#233)

go.mod

@@ -1,13 +1,25 @@
 module github.com/awslabs/goformation/v2
 
 require (
-	github.com/awslabs/goformation v1.4.1
+	github.com/davecgh/go-spew v1.1.1 // indirect
+	github.com/golang/protobuf v1.2.0 // indirect
 	github.com/imdario/mergo v0.3.6
+	github.com/kr/pretty v0.1.0 // indirect
 	github.com/onsi/ginkgo v1.5.0
 	github.com/onsi/gomega v1.2.0
+	github.com/pmezard/go-difflib v1.0.0 // indirect
 	github.com/sanathkr/go-yaml v0.0.0-20170819195128-ed9d249f429b
 	github.com/sanathkr/yaml v0.0.0-20170819201035-0056894fa522
+	github.com/stretchr/testify v1.2.2 // indirect
+	github.com/xeipuuv/gojsonpointer v0.0.0-20170225233418-6fe8760cad35 // indirect
+	github.com/xeipuuv/gojsonreference v0.0.0-20150808065054-e02fc20de94c // indirect
 	github.com/xeipuuv/gojsonschema v0.0.0-20181112162635-ac52e6811b56
+	golang.org/x/net v0.0.0-20170809000501-1c05540f6879 // indirect
+	golang.org/x/sync v0.0.0-20180314180146-1d60e4601c6f // indirect
+	golang.org/x/sys v0.0.0-20170814044513-c84c1ab9fd18 // indirect
+	golang.org/x/text v0.0.0-20170814122439-e56139fd9c5b // indirect
+	gopkg.in/check.v1 v1.0.0-20180628173108-788fd7840127 // indirect
+	gopkg.in/yaml.v2 v2.2.2 // indirect
 )
 
 go 1.13

go.sum

@@ -1,5 +1,3 @@
-github.com/awslabs/goformation v1.4.1 h1:jws9kTrcI53Hq2COJAy50uAhgxB5N/Enb9Gmclr/MP4=
-github.com/awslabs/goformation v1.4.1/go.mod h1:HezUyH08DSwwGn3GioVXWZYUhkdvC+oGJ7ya7vBRm7k=
 github.com/davecgh/go-spew v1.1.1 h1:vj9j/u1bqnvCEfJOwUhtlOARqs3+rkHYY13jYWTU97c=
 github.com/davecgh/go-spew v1.1.1/go.mod h1:J7Y8YcW2NihsgmVo/mv3lAwl/skON4iLHjSsI+c5H38=
 github.com/golang/protobuf v1.2.0 h1:P3YflyNX/ehuJFLhxviNdFxQPkGK5cDcApsge1SqnvM=
@@ -11,8 +9,6 @@ github.com/kr/pretty v0.1.0/go.mod h1:dAy3ld7l9f0ibDNOQOHHMYYIIbhfbHSm3C4ZsoJORN
 github.com/kr/pty v1.1.1/go.mod h1:pFQYn66WHrOpPYNljwOMqo10TkYh1fy3cYio2l3bCsQ=
 github.com/kr/text v0.1.0 h1:45sCR5RtlFHMR4UwH9sdQ5TC8v0qDQCHnXt+kaKSTVE=
 github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
-github.com/mitchellh/mapstructure v1.1.2 h1:fmNYVwqnSfB9mZU6OS2O6GsXM+wcskZDuKQzvN1EDeE=
-github.com/mitchellh/mapstructure v1.1.2/go.mod h1:FVVH3fgwuzCH5S8UJGiWEs2h04kUh9fWfEaFds41c1Y=
 github.com/onsi/ginkgo v1.5.0 h1:uZr+v/TFDdYkdA+j02sPO1kA5owrfjBGCJAogfIyThE=
 github.com/onsi/ginkgo v1.5.0/go.mod h1:lLunBs/Ym6LB5Z9jYTR76FiuTmxDTDusOGeTQH+WWjE=
 github.com/onsi/gomega v1.2.0 h1:tQjc4uvqBp0z424R9V/S2L18penoUiwZftoY0t48IZ4=