🧹 friday cleanup party: substitute deprecated import of go-kit (#19774)

`go-kit/kit/log` was deprecated and generating warnings

# Checklist for submitter

If some of the following don't apply, delete the relevant line.

<!-- Note that API documentation changes are now addressed by the
product design team. -->

- [x] Manual QA for all new/changed functionality

server/logging/filesystem.go

@@ -14,7 +14,7 @@ import (
 
 	"github.com/fleetdm/fleet/v4/pkg/secure"
 	"github.com/fleetdm/fleet/v4/server/contexts/ctxerr"
-	"github.com/go-kit/kit/log"
+	"github.com/go-kit/log"
 	lumberjack "gopkg.in/natefinch/lumberjack.v2"
 )
 

server/logging/filesystem_test.go

@@ -10,7 +10,7 @@ import (
 	"path/filepath"
 	"testing"
 
-	"github.com/go-kit/kit/log"
+	"github.com/go-kit/log"
 	"github.com/stretchr/testify/assert"
 	"github.com/stretchr/testify/require"
 )

server/logging/firehose.go

@@ -16,8 +16,8 @@ import (
 	"github.com/aws/aws-sdk-go/service/firehose"
 	"github.com/aws/aws-sdk-go/service/firehose/firehoseiface"
 	"github.com/fleetdm/fleet/v4/server/contexts/ctxerr"
-	"github.com/go-kit/kit/log"
-	"github.com/go-kit/kit/log/level"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )
 
 const (

server/logging/firehose_test.go

@@ -11,7 +11,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/firehose"
 	"github.com/aws/aws-sdk-go/service/firehose/firehoseiface"
 	"github.com/fleetdm/fleet/v4/server/logging/mock"
-	"github.com/go-kit/kit/log"
+	"github.com/go-kit/log"
 	"github.com/stretchr/testify/assert"
 )
 

server/logging/kinesis.go

@@ -17,8 +17,8 @@ import (
 	"github.com/aws/aws-sdk-go/service/kinesis"
 	"github.com/aws/aws-sdk-go/service/kinesis/kinesisiface"
 	"github.com/fleetdm/fleet/v4/server/contexts/ctxerr"
-	"github.com/go-kit/kit/log"
-	"github.com/go-kit/kit/log/level"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )
 
 const (

server/logging/kinesis_test.go

@@ -14,7 +14,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/kinesis"
 	"github.com/aws/aws-sdk-go/service/kinesis/kinesisiface"
 	"github.com/fleetdm/fleet/v4/server/logging/mock"
-	"github.com/go-kit/kit/log"
+	"github.com/go-kit/log"
 	"github.com/stretchr/testify/assert"
 )
 

server/logging/lambda.go

@@ -11,8 +11,8 @@ import (
 	"github.com/aws/aws-sdk-go/aws/session"
 	"github.com/aws/aws-sdk-go/service/lambda"
 	"github.com/aws/aws-sdk-go/service/lambda/lambdaiface"
-	"github.com/go-kit/kit/log"
-	"github.com/go-kit/kit/log/level"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )
 
 const (

server/logging/lambda_test.go

@@ -10,7 +10,7 @@ import (
 	"github.com/aws/aws-sdk-go/service/lambda/lambdaiface"
 	"github.com/fleetdm/fleet/v4/server/logging/mock"
 	"github.com/fleetdm/fleet/v4/server/test"
-	"github.com/go-kit/kit/log"
+	"github.com/go-kit/log"
 	"github.com/stretchr/testify/assert"
 	tmock "github.com/stretchr/testify/mock"
 )

server/logging/logging.go

@@ -5,8 +5,8 @@ import (
 	"fmt"
 
 	"github.com/fleetdm/fleet/v4/server/fleet"
-	"github.com/go-kit/kit/log"
-	"github.com/go-kit/kit/log/level"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )
 
 type FilesystemConfig struct {

server/logging/nanodep.go

@@ -2,7 +2,7 @@ package logging
 
 import (
 	nanodep_log "github.com/fleetdm/fleet/v4/server/mdm/nanodep/log"
-	kitlog "github.com/go-kit/kit/log"
+	kitlog "github.com/go-kit/log"
 	"github.com/go-kit/log/level"
 )
 

server/logging/pubsub.go

@@ -8,8 +8,8 @@ import (
 
 	"cloud.google.com/go/pubsub"
 	"github.com/fleetdm/fleet/v4/server/contexts/ctxerr"
-	"github.com/go-kit/kit/log"
-	"github.com/go-kit/kit/log/level"
+	"github.com/go-kit/log"
+	"github.com/go-kit/log/level"
 )
 
 type pubSubLogWriter struct {