replace packages slog and slices from golang.org/x/exp with stdlib

since we are now at go1.21 as minimum.

store/account.go

@@ -33,9 +33,11 @@ import (
 	"fmt"
 	"hash"
 	"io"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"runtime/debug"
+	"slices"
 	"sort"
 	"strconv"
 	"strings"
@@ -43,8 +45,6 @@ import (
 	"time"
 
 	"golang.org/x/crypto/bcrypt"
-	"golang.org/x/exp/slices"
-	"golang.org/x/exp/slog"
 	"golang.org/x/text/unicode/norm"
 
 	"github.com/mjl-/bstore"

store/cleanuptemp.go

@@ -1,10 +1,9 @@
 package store
 
 import (
+	"log/slog"
 	"os"
 
-	"golang.org/x/exp/slog"
-
 	"github.com/mjl-/mox/mlog"
 )
 

store/export.go

@@ -8,14 +8,13 @@ import (
 	"context"
 	"fmt"
 	"io"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"sort"
 	"strings"
 	"time"
 
-	"golang.org/x/exp/slog"
-
 	"github.com/mjl-/bstore"
 
 	"github.com/mjl-/mox/mlog"

store/import.go

@@ -6,6 +6,7 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log/slog"
 	"os"
 	"path/filepath"
 	"strconv"
@@ -13,7 +14,6 @@ import (
 	"time"
 
 	"golang.org/x/exp/maps"
-	"golang.org/x/exp/slog"
 
 	"github.com/mjl-/mox/mlog"
 )

store/session.go

@@ -6,12 +6,11 @@ import (
 	"encoding/base64"
 	"errors"
 	"fmt"
+	"log/slog"
 	"runtime/debug"
 	"sync"
 	"time"
 
-	"golang.org/x/exp/slog"
-
 	"github.com/mjl-/bstore"
 
 	"github.com/mjl-/mox/metrics"

store/threads.go

@@ -6,13 +6,12 @@ import (
 	"errors"
 	"fmt"
 	"io"
+	"log/slog"
 	"runtime"
+	"slices"
 	"sort"
 	"time"
 
-	"golang.org/x/exp/slices"
-	"golang.org/x/exp/slog"
-
 	"github.com/mjl-/bstore"
 
 	"github.com/mjl-/mox/message"

store/train.go

@@ -4,11 +4,10 @@ import (
 	"context"
 	"errors"
 	"fmt"
+	"log/slog"
 	"os"
 	"path/filepath"
 
-	"golang.org/x/exp/slog"
-
 	"github.com/mjl-/bstore"
 
 	"github.com/mjl-/mox/config"