[WIP] lint a bit, update deps

vendor/github.com/cockroachdb/pebble/internal/arenaskl/iterator.go

@@ -18,7 +18,6 @@
 package arenaskl
 
 import (
-	"encoding/binary"
 	"sync"
 
 	"github.com/cockroachdb/pebble/internal/base"
@@ -240,17 +239,8 @@ func (it *Iterator) SetBounds(lower, upper []byte) {
 }
 
 func (it *Iterator) decodeKey() {
-	b := it.list.arena.getBytes(it.nd.keyOffset, it.nd.keySize)
-	// This is a manual inline of base.DecodeInternalKey, because the Go compiler
-	// seems to refuse to automatically inline it currently.
-	l := len(b) - 8
-	if l >= 0 {
-		it.key.Trailer = binary.LittleEndian.Uint64(b[l:])
-		it.key.UserKey = b[:l:l]
-	} else {
-		it.key.Trailer = uint64(base.InternalKeyKindInvalid)
-		it.key.UserKey = nil
-	}
+	it.key.UserKey = it.list.arena.getBytes(it.nd.keyOffset, it.nd.keySize)
+	it.key.Trailer = it.nd.keyTrailer
 }
 
 func (it *Iterator) seekForBaseSplice(key []byte) (prev, next *node, found bool) {