(cloudwatch) update aws-sdk-go to v1.5.8 (#6658)

* (cloudwatch) upgrade aws-sdk-go v1.5.8

* (cloudwatch) remove non-required aws-sdk-go part

* add go-ini

vendor/github.com/aws/aws-sdk-go/private/protocol/json/jsonutil/build.go

@@ -160,7 +160,7 @@ func (sv sortedValues) Less(i, j int) bool { return sv[i].String() < sv[j].Strin
 func buildMap(value reflect.Value, buf *bytes.Buffer, tag reflect.StructTag) error {
 	buf.WriteString("{")
 
-	var sv sortedValues = value.MapKeys()
+	sv := sortedValues(value.MapKeys())
 	sort.Sort(sv)
 
 	for i, k := range sv {

vendor/github.com/aws/aws-sdk-go/private/protocol/json/jsonutil/build_test.go

@@ -1,100 +0,0 @@
-package jsonutil_test
-
-import (
-	"encoding/json"
-	"testing"
-	"time"
-
-	"github.com/aws/aws-sdk-go/private/protocol/json/jsonutil"
-	"github.com/stretchr/testify/assert"
-)
-
-func S(s string) *string {
-	return &s
-}
-
-func D(s int64) *int64 {
-	return &s
-}
-
-func F(s float64) *float64 {
-	return &s
-}
-
-func T(s time.Time) *time.Time {
-	return &s
-}
-
-type J struct {
-	S  *string
-	SS []string
-	D  *int64
-	F  *float64
-	T  *time.Time
-}
-
-var jsonTests = []struct {
-	in  interface{}
-	out string
-	err string
-}{
-	{
-		J{},
-		`{}`,
-		``,
-	},
-	{
-		J{
-			S:  S("str"),
-			SS: []string{"A", "B", "C"},
-			D:  D(123),
-			F:  F(4.56),
-			T:  T(time.Unix(987, 0)),
-		},
-		`{"S":"str","SS":["A","B","C"],"D":123,"F":4.56,"T":987}`,
-		``,
-	},
-	{
-		J{
-			S: S(`"''"`),
-		},
-		`{"S":"\"''\""}`,
-		``,
-	},
-	{
-		J{
-			S: S("\x00føø\u00FF\n\\\"\r\t\b\f"),
-		},
-		`{"S":"\u0000føøÿ\n\\\"\r\t\b\f"}`,
-		``,
-	},
-}
-
-func TestBuildJSON(t *testing.T) {
-	for _, test := range jsonTests {
-		out, err := jsonutil.BuildJSON(test.in)
-		if test.err != "" {
-			assert.Error(t, err)
-			assert.Contains(t, err.Error(), test.err)
-		} else {
-			assert.NoError(t, err)
-			assert.Equal(t, string(out), test.out)
-		}
-	}
-}
-
-func BenchmarkBuildJSON(b *testing.B) {
-	for i := 0; i < b.N; i++ {
-		for _, test := range jsonTests {
-			jsonutil.BuildJSON(test.in)
-		}
-	}
-}
-
-func BenchmarkStdlibJSON(b *testing.B) {
-	for i := 0; i < b.N; i++ {
-		for _, test := range jsonTests {
-			json.Marshal(test.in)
-		}
-	}
-}